Phthalate-free, non-porous, hypoallergenic 8-inch hollow silicone sheath dildo 100% Silicone Compatible with Strap-Ons with 2" O-rings Color: Navy 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)