Item Name: Hot Iron Accessories HairStyling Metal Pin Hairpins Wigs Snap Clips U Shape. Suitable for fastening cap, no need to adjust cap frequently.Color:3 colorsMaterial: metal + silicon coating + rubberMini size and lightweightSize:2.8cmX1.4cmCan be used to fix your wig, no worry about falling off.Features: pressure sensitive - each clip comes with rubber tubing on the part where hair gets clipped to add extra grip as well as minimize hair damage Package included:1 set black Iron Hairpins (10pcs/set)1 set brown Iron Hairpins (10pcs/set)1 set dark brown Iron Hairpins (10pcs/set) *