This kit is specially designed for those interested in exploring anal play and pegging. Start slow, try different positions, communicate and enjoy! Use plenty of Lube. Some benefits of male prostate stimulation through anal play. Materials: 50% silicone 20% polypropylene 15% polyester 8% polyvinyl 3% nickel free metal 2% ABS plastic 2% nitrile O-Rings. Includes: 1 strap-on with 4-Way adjustable straps fits up to 60" hips Accommodates dildos with a flared base 2 interchangeable rubber O-rings: 1.5" (3.8cm) and 1.75", 1 Please Dildo 5", 1 Skyn Dildo 6.5".