JACKER 5-STACK includes five super-stretch cockrings in a storage tube. The right size ring, insane amount of stretch, long- wearing and rubberyuse them as a single for a quickie JO ring, or stack em up layered-style for marathon playplus you get five strong, stretchy soft rings-- always ready for a wank or fuck with your tube of JACKERS. JACKERs will stack up for gradual ballstretch play, add more when you want more stretchsteady gradual stretch for slow gains that feel right. JACKER 5-STACK rings are made from our toughest flexTPRsuper rubbery and soft, but extra strong and stretchy (these last so much longer than cheap jelly rings).