Nipple Play Tiered Nipple Clamps includes 2 fully adjustable multi-use clamps. Soft, comfortable pads. Sturdy high quality dual chain for added sensuality. Non-tarnishing, nickel free. Safe and pure for body and pleasure made using phthalate free materials. Nickel free Iron chains, nipple clamps, PVC pads. 2.25 inches by 1 inch each clamp.