Gripper Nipple Suckers from Oxballs are made of flexible TPR but still firm enough to give you some serious nip plumping and pulling. Each pair is topped with a small handle perfect for tugging, flicking, or any other tit play you might have in mind. Each sucker is complete with macho faux diamond plate detailing. Total Length: 2 inches. Total Circumference: 1.12 inches. Smallest Usable Circumference: .75 inches.