Adam and Eve’s Triple Chamber Ball Drainer from Evolved Novelties. Soft and stretchy stroker with three unique chambers. Each chamber has a different set of nubs. Exciting all new sensations as you enter each chamber. Closed end for oral sucking sensation. Stretchy Thermoplastic Elastomers TPE feels silky with each stroke. Ergonomic shape for a sure grip. Size 5.9 inches in length by 2.83 in width. 5 years warranty.