100% Brand new and high quality. Disposable supplies, safety and health, to prevent pollution. Arc concave design, suitable for different interdental spaces. The end with circular hole, easy to take 4 different sizes in 4 colors for you to meet your different needs,durable for a long time use. With a transparent box for each size, convenient and clean to use. The human nature in the design, make the teeth more convenient security. AS for tooth-filling,we provide a safer way for dentists to insert to the tooth clearance. Specification: Item Type:Teeth Whitening Product name:Dental Disposable Wedge with hole Material:Plastic Color:Purple(Large), Yellow(Medium), Green(Small), Blue(Extra small) Size: Large:17.8*2.8mm, Medium:17.8*2.45mm, Small:17.8*2.1mm, Extra small:17.8*1.7mm Quantity: about 100 pcs/box Package: 1 *boxes (100 pcs)