Perform like a stud with this 4 pcs cock rings kit.Soft, flexible and stretchy that can keep your stiffy hard and going like never before!!! Stretchy cock rings. These cock rings will give you the support you need to have a bigger, stronger erection. Yes, cock rings can hold your cock up and running for hours. Give yourself a bigger more powerful erection. Cock rings can seriously prolong ejaculation too.Specifications and characteristics:- Material: Silicone- Quantity: pack of 4 rings- Inner Diameters of Rings: 2.2 cm, 2.8 cm, 3 cm, 3.3 cm- Phthalates Free- Packaging: Aluminium foil bag