Toysheart R-20 Onahole is an amazing 3D structured sleeve has a super complex passage, full of bends, flesh lumps, ribs and studs etc. It has a larger entry hole and lubricant leak out prevention design. Made with odorless, soft and safe material. If you want to feel like you are with a twenty-year old, slip on the R-20 Onahole. It creates a tight vacuum around your special member guaranteed to keep things snug. Lubricate with the mini-lotion included and get a grip on the supple Safe Skin material.