Sucker size: 2 x 1.25 inches, Inner diameter: 1 inch

Bound to Play silicone nipple suckers deliver focused, hands-free nipple play with a sleek black, velvety-soft silicone finish. Simply place and let the suction take hold so they stay put. Designed for beginners and seasoned teasing alike. Non-porous, body-safe, hypoallergenic silicone. Localised suction is intended to enhance sensitivity and leave nipples more receptive to touch.