Material:100% brand new and high quality.and elasticity,
Color:4 color meet your different needs,and each color corresponds
Four Size:Large :17.8*2.8mm (Purple),Medium : 17.8*2.45mm (Yellow),Small : 17.8*2.1mm (Green),Super small : 17.8*1.7mm (Blue).
Unique design:New plastic poly-wedge, round stern with a hole, easily of being taken,round edge with unattached,make thewedges more flexibility to be full filled in different teeth cracks
Process characteristics:Exquisite craft, smooth surface, Combination of hardness ,comfortable to use, and durable.