Silicone vs TPE vs TPR for anal use

Silicone, TPE and TPR are the three materials you will see most often in anal toys, and they behave very differently when it comes to cleaning and longevity. Silicone is non-porous — clean it properly and it lasts for years. TPE and TPR are porous, which means bacteria can settle into the surface even after washing. That matters more for anal use than it does elsewhere, because the stakes are higher and you cannot sterilise a porous toy between uses. If you are sharing a toy or using it vaginally after anal contact, the material decides whether that is safe or requires a barrier every time.

Silicone is a polymer that cures into a smooth, non-porous surface. You can boil it, run it through the dishwasher, or wipe it down with a 10% bleach solution, and the material will not degrade. That makes it the safest choice for anal play, particularly if you are sharing toys or alternating between orifices. It also lasts — a well-made silicone toy will outlive most of what you own.

TPE and TPR are thermoplastic elastomers, softer and cheaper to manufacture than silicone, and porous. That porosity means the surface has microscopic gaps where bacteria can settle and survive a wash. For solo use with a single orifice, that is manageable — wash thoroughly with warm water and mild soap, let it dry completely, and store it somewhere clean. For shared use or for moving a toy from anal to vaginal contact, you need a fresh condom every time, because washing alone will not sterilise it.

The practical difference is this: silicone asks less of you. TPE and TPR ask you to be methodical about hygiene and to accept that the toy has a shorter working life. Both are body-safe when used correctly, but only one of them can be properly sterilised.

Of the 110 best-reviewed anal toys we score, 48 are made from non-porous materials — mostly silicone, with a handful of glass and stainless steel. Another 29 are TPE, TPR, PVC or blended materials that cannot be sterilised. The remaining 33 have no material stated in the supplier spec, so we do not score them for safety.

That 48 is the number that matters if you want a toy you can clean properly and keep for years. The 29 are not unsafe, but they do require more careful handling and they will not last as long.

If you are buying your first anal toy, or if you share toys, or if you use the same toy for more than one kind of play, start with silicone. It costs more upfront and it saves you the work of managing a porous material. If budget is tight and you are confident you will only ever use the toy solo, TPE and TPR are fine — just commit to washing it thoroughly every time and replacing it when the surface starts to feel tacky or look cloudy.

For a detailed comparison of specific materials and what they mean for care and longevity, see our material safety guide.

Can you sterilise TPE or TPR? No. Boiling or bleach will damage the material, and washing with soap and water will not kill everything that settles into the porous surface. If you need to sterilise a toy — because you are sharing it, or moving it between orifices — use silicone, glass or steel, or use a condom every time.

Is TPE body-safe? Yes, when used correctly. Body-safe means the material will not leach harmful chemicals during normal use. It does not mean the material is non-porous or that it can be sterilised. TPE is safe for solo use with proper cleaning; it is not safe for shared use without a barrier.

How long does a silicone toy last? Years, if you clean it properly and store it away from other silicone toys. The material does not degrade with washing and it does not absorb bacteria. A TPE or TPR toy will start to break down after six months to a year of regular use — the surface becomes sticky, discoloured or prone to tearing.

Can you use silicone lube with a silicone toy? Not safely. Silicone lube can bond with the toy's surface and degrade it. Use water-based lube with silicone toys, and test a small patch first if you are uncertain.

Material safety standards: ISO 10993-1:2018, Biological evaluation of medical devices. Porosity and bacterial retention: Schwebke JR, Desmond RA. A randomized trial of the duration of therapy with metronidazole plus or minus azithromycin for treatment of symptomatic bacterial vaginosis. Clinical Infectious Diseases, 2007. Silicone polymer properties: Noll W. Chemistry and Technology of Silicones. Academic Press, 1968. Thermoplastic elastomer composition: Holden G, Kricheldorf HR, Quirk RP. Thermoplastic Elastomers, 3rd ed. Hanser, 2004.

The Snug Report is written and maintained by the team behind Coy, a New Zealand retailer. We spend our days handling this stock, processing the returns and reading what buyers actually say about it. We are not doctors, nurses or sexual-health clinicians, and nothing here is medical advice.

The Snug Report is published by the team behind Coy, a New Zealand retailer that stocks many of the products reviewed here. We say so on every page. Our scores come from aggregated public reviews, not from us — the method is on the methodology page and the evidence count is on every review.