4 pcs of penis Rings - You have your choice of which size ring you want to use. 4 sizes for your choice. Free Combination - Different sizes of penis rings provide a variety of play options for you to match freely. Size diameter - Size Small:1.18in, Medium:1.37in, Large:1.49in, Extra Large:1.77in. Safe Materials - rings kit are made of high-quality silicone, which is hypoallergenic, skin-safe, extremely stretchable but sturdy enough About Delivery - We are 100% discreet,All adult sex product come in discreet standard packing, unmarked packaging, confidential delivery,Strictly protect your privacy Safety.