Prowler Red Bubbles Nip Suckers By OxballsNipsuckers bloat up your nips making them more sensitive, bigger, and more throbbing. Our suckers are made of Liquid Platinum Silicone because its the best material out there, they wont crack, they have the right amount of pull and are rubbery soft enough to really seal to your nip. Best of all, they never lose their suction, nip suckers that dont suck are just sad. BUBBLES nip suckers are the right size and depth to pull nips out to rubbery points,