Features:40 pieces included, enough for a long time use.Made of high quality material, durable to use. Professional add-on wedges, used with delta rings.Necessary wedges for dental teeth filling treatment.Great add-On Wedges for professional dental use.Specification:Material: SiliconeColor: GreenQuantity: 40PcsTotal Size: Approx. 6.0  4.0  0.5cm / 2.4  1.6  0.2in (L  W  H)Total Weight: Approx. 3.9g / 0.1ozNote:There could be some slight differences in the color tone of the pictures and the actual item.Please allow 1-2mm differs due to manual measurement, thanks.Package Included:1  Pack * 40PCS Add-On Wedges