silex offers a range of Plugs with super soft high-quality silicone leather with SILEXPAN filling, for an extremely pleasant texture and touch and an incomparable pleasure experience. The revolutionary patented formula of the SILEXPAN material used to fill our products allows improved flexibility and density of the plug. Giving it a magnificent elasticity and manageability. SILEXD offers the best quality silicone on the market. Our Platinum silicone does not contain phthalates or latex, it is hypoallergenic and non-porous which makes it much more durable and easy to clean.