Dildos by Girth Australia - Slim to XXL Girth-Classified Dildo Guide

Dildos by girth are categorised by shaft thickness rather than length alone, defining how the toy interacts with internal pressure and sensation. Slim models cause less expansion and concentrate movement on narrower contact areas, while thicker builds provide fullness and greater pressure engagement. Understanding girth helps match toys to comfort and preference. Adultsmart carries Australia's most complete girth selection, from delicate slim designs to substantial thick-shaft adult products.

Dildos by girth are non-vibrating sex toys sorted by shaft thickness rather than length alone. You choose based on circumference: slim for gentle entry, standard for balanced feel, or thick for maximum fullness and internal pressure.

At a glance
  • What it is: Non-vibrating dildo sorted by shaft circumference, not length
  • Best for: Users who want to control sensation through thickness and internal fill
  • Girth range: Slim under 38 mm, standard 38–50 mm, thick 50 mm and above
  • Materials: Silicone, dual-density silicone, TPE, metal-core hybrids, glass, or flexible PVC
  • Insertion depth: Typically 10–40 cm depending on girth and body comfort
  • Control: Manual thrusting; no batteries or remote control required
  • Sex toy safety: Choose body-safe silicone, glass, or metal; avoid porous materials
  • Care: Wash with warm soapy water or toy cleaner; store in a clean, dry place
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About Dildos By Girth

Dildos by girth are non-vibrating sex toys categorised by how thick the shaft is, because thickness changes how the sex toy fills your body and what sensations it creates. A thinner shaft concentrates pressure on a narrower area and enters more easily; a thicker shaft spreads pressure across more surface and demands slower, more controlled movement. Girth is measured as circumference—the distance around the shaft—and it's often the main factor in how comfortable and satisfying a sex toy feels.

Materials vary to suit different girth levels. Firm silicone holds its shape under pressure and works well for naturally thick shafts. Dual-density silicone offers a firm core with a softer outer layer, giving visual thickness without harshness. TPE and TPR blends compress slightly on thicker models to ease insertion. Metal or glass cores keep larger sex toys balanced and structurally sound. Textured Dildos add ridges or bumps to any girth category for extra sensation. Choose the material and thickness that match your body's comfort and the feeling you want.

What makes Dildos By Girth different

Unlike vibrators, these sex toys rely entirely on manual movement and the physical sensation of thickness. Girth-based sorting lets you skip the noise, batteries, and noise—you're paying for shape and feel, not power. Dildos in general come in many styles, but grouping by girth helps you match the sex toy directly to how full you want to feel and how much your body can safely accommodate. Thickness changes everything about how the sex toy moves inside you and how much control you need.

Types of Dildos By Girth

Dildos by girth fall into three main categories based on shaft circumference and the feeling they deliver.

Slim. Under roughly 38 mm circumference, slim dildos offer minimal width and gentle fill. They're ideal if you want easy entry, precise control, and light contact rather than intense fullness. Materials are often softer and narrower for comfort.

Standard. Ranging from about 38 to 50 mm, standard dildos hit a balance between width and depth. They work for everyday use and suit most bodies seeking moderate fullness without extreme accommodation. Realistic Dildos often fall into this range, offering lifelike detail alongside practical sizing.

Thick and Extra-Thick. Above 50 mm circumference, thick dildos deliver maximum fill and strong internal pressure. They suit users who want a heavy, present feeling and have experience with larger insertables. These often use firm silicone or metal-core construction to maintain structure.

Non-Realistic. Non-Realistic Dildos skip anatomical detail and focus on shape, colour, and texture. Many come in any girth category and let you prioritise thickness and sensation over appearance.

How they compare

Model Material Best for Control or Base Safety
Slim silicone Firm silicone Easy entry and precise movement Manual thrusting Non-porous, body-safe
Standard dual-density Dual-density silicone Balanced fullness and everyday use Manual thrusting Non-porous, body-safe
Thick firm silicone Firm silicone Maximum fill and strong pressure Manual thrusting Non-porous, body-safe
Extra-thick metal core Silicone with metal core Substantial girth with weight and durability Manual thrusting Non-porous, body-safe, heat-safe

How to choose a dildos by girth

Start by thinking about how full you want to feel. If you're new to insertables or prefer light sensation, slim works well. If you know you like moderate fullness and want everyday versatility, standard is the reliable choice. If you crave intensity and have experience with larger insertables, thick or extra-thick delivers. Your body changes day to day, so it's worth owning one or two options.

Next, consider material. Silicone is the safest, easiest to clean, and works across all girth levels. Glass and stainless steel are also body-safe and durable. Avoid porous materials like jelly or TPE blends if you're sharing or have sensitive tissue. Non-Realistic Dildos give you freedom to choose girth independently of shape, so you can prioritise thickness over appearance. Always go slower with thicker sex toys, use plenty of lubricant, and listen to your body—a too-thick sex toy isn't worth discomfort.

Tips from the Adultsmart team

Hard-won pointers from the Adultsmart team, alongside our panel of sexologists, educators, and adult-industry contributors. Meet our experts →

After years of helping customers with Dildos By Girth, we've noticed most first-timers underestimate how much slower insertion needs to be as girth increases. You can't rush a thick sex toy the way you might a slim one. Take time, breathe, use plenty of water-based lubricant, and let your body relax into it. Rushing causes soreness and puts you off the size entirely—patience pays off.

Another common mistake is buying girth without thinking about insertable length. A thick dildo that's also 25 cm long can be harder to handle than you'd expect, especially if you're new to larger sex toys. Check the actual length, not just the circumference. Shorter thick sex toys (around 12–15 cm) are often easier to control and position, while longer ones suit deeper play once you're confident.

Finally, material choice matters more with thick sex toys than slim ones. A thick TPE or jelly sex toy feels great but is harder to clean and won't last as long under pressure. Thick silicone, glass, or metal-core sex toys are worth the extra cost because they're genuinely durable, easier to sanitise, and feel firmer—which is usually what you want at that girth. If you're buying your first thick sex toy, invest in body-safe silicone.

Please read — safety first. Charge only with the supplied cable and keep the charging port dry unless the sex toy is waterproof-rated. Pair and update through the official app, and switch the device off fully between sessions so the motor and battery aren't left under load. Never share between partners, or between anal and vaginal use, without cleaning the item first or using a fresh condom. As porous materials can harbour bacteria, use a condom over them for sharing or easy clean-up. This information is general in nature only and is not medical advice; it does not account for your individual circumstances. If you have a relevant health condition or experience any persistent discomfort, discontinue use and seek advice from a qualified medical professional.

Care and cleaning

Wash your dildo after each use with warm soapy water and a soft cloth, or use a dedicated toy cleaner. Silicone, glass, and stainless steel can handle hot water. Pat dry and store in a clean, dry place away from direct sunlight. If your sex toy has a suction cup or removable parts, clean those too. Never share without washing thoroughly between users.

Learn more

Girth plays a huge role in how a sex toy feels and what your body experiences during play. My Big Daddys Girth Dominates explores how thickness changes sensation and what to expect when you step up a size. Read it for real insights into choosing and using thicker sex toys safely.

Why shop Dildos By Girth at Adultsmart

Looking for a piece that actually fits how you play? Adultsmart stocks Dildos By Girth in slim, standard, thick, and extra-thick options, all clearly labelled by circumference so you know exactly what you're getting. We ship discreetly to Australian addresses with unmarked packaging and billing. Body-safe, clearly labelled, and chosen by people who use this gear.

Dildos By Girth FAQ

What does “girth” mean in a dildo?
In this context, girth refers to the circumference of the shaft. A larger girth increases surface contact, tissue expansion and the muscle effort needed during motion.
How do I check fit by girth before buying?
Measure your comfort threshold using a water-based ring or toy under 40 mm girth. If that feels good, you can try thicker builds; if not, stick with narrower widths to avoid strain.
How does girth affect insertion speed?
Greater girth demands slower insertion and more lubricant. The body must stretch to accommodate width, so slower pace reduces discomfort and ensures safe positioning.
Are materials important for thicker dildos?
Thicker builds require firmer materials (like dual-density silicone or metal-core hybrids) to resist deformation and maintain safe structure under pressure.
What girth size suits “slim” category?
Slim girth is generally under approximately 38 mm circumference (about 12 mm diameter) for easier entry and less expansion sensation; ideal for lighter fill.
How do hips and motion differ with thick vs slim dildos?
Thicker models require more stable hip movement and stronger pelvic support to manage the broader contact zone and higher tissue load compared to slim builds.
Can a slim dildo still feel fulfilling?
Absolutely. For many users, control, angle and material matter more than width. A firm core silicone with slim girth can deliver focused contact and excellent movement.
How does girth influence material temperature feel?
Wider diameters hold stress and heat longer. Materials like metal-core hybrids warm slowly but provide consistent contact; slim units heat up faster but cool more quickly too.
Should I adjust lubricant amounts by girth?
Thicker shafts benefit from generous water-based lube to reduce drag and tissue strain. Slim shafts need less but still should be well-coated for smooth glide.
Are extra-long dildos always thicker?
Not always. Some extra-long models maintain moderate girth for reach; others combine length with thick width to intensify fullness and depth simultaneously.

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