Even waist handcuffs (Pi Ji)， soft and comfortable. Silver rivets， addsex cool hot atmosphere. Belt， arm cuff elastic adjustable， eye fine，are exquisite small lock is fixed， can be adjusted in place of a sense of restraint. Connected with arm belt ring is made of metal chain， chainlength is shorter， can achieve more restraint effect. High quality PUleather production， quality of a material is 4 layer structure， positive and negative for PU (quality of material， PU material is second only tothe dermis of a leather materials， the rank order of material: leatherleather pu- leather PVC) ask the customer to identify the authenticity of the material.