- Designer posture style collar with universal cuffs - Sensual lace-up design - Soft and plushy on one side. with designer fabric on the other - Heavy-duty metal chain with universal clasp - Non-tarnishing. nickel-free - Polyester (fabric. lining. Velcro) Nickel-Free Iron (chains. D-rings) Nickel-Free Alloy (clasps) Size Collar adjust up to 16/40.75cm Cuffs adjust up to 10.5/26.75cm 25/63.5 cm detachable chain