SWELL makes sex so much betterfor both partners! SWELL is a sheath that strokes the guy while he pumpsthe inside shaft is loaded with nubs and more headroom than any other sheath, more room to feel the stroking. SWELL gives as well, the ultra smooth shaft feels slick and velvetythere are no textures, its not veiny, theres no flared head, its just a fluid polished ride. Butpush all the way to the base and the SWELLswellswith rubber nubs all over the thick base. It's all about the baseits wider than the shaft, thicker to rub and stretch with that extra deep thrust. Each SWELL sheath comes with a fitted bullet-shaped insert to customize the fit of the inner chamber. SWELL adds girth and length toyouand makes the base of your shaft meaty and thick. Hnkyjunk PLUS+silicone TPR/silicone blend: silicone for a smooth and warm feel, TPR for amazing stretch and strength. Phthalate free. LUBE SAFE: Water-based lube, hybrid or silicone lube, oil-base lubes not recommended. CARE: Wash after use in warm soapy water, air dry. Store toys separately :we recommend storing in breathable cloth pouches or for larger toys, in cotton socks.