Phthalate-free, non-porous, hypoallergenic - 8 inch hollow vibrating silicone sheath dildo. (USB rechargeable, splashproof) 100% Silicone, Compatible with Strap Ons with 2' O-rings, Color: Emerald. Lifetime Limited Warranty,Designed by Sportsheets in California, Compatible with Water Based Lubricant, Dimensions: Insertable Length: 8' (20.32 cm) Insertable Length (Internal): 4.5' (11.43 cm) Total Length: 9' (22.86 cm) Diameter: 3.75' (9.525 cm)