Nipple Play Playful Tassels Nipple Clamps Silver from Cal Exotics. Easy to use. Does not tarnish. Nickel free materials. Adjustable nipple clamps. Soft pads cover the tips of the nipple clamps. Screw can adjust the pinch of the clamp. Non-piercing nipple clamps. Materials Iron, Polyurethane, PVC Plastic. Features phthalate free. 90 day warranty. Measurements 2.25 inches by 1.25 inches Nipple Clamps. Bulk weight 0.8 ounce. Package 2.4 ounces. Package 0.75 inch by 5.75 inches by 8.5 inches.