It is a special mould works to disguise crooked, stained, missing and gapped teeth. It can be securely attached to the teeth. Super comfortable, comfort fit teeth, and it is removable,reusable temporary device. Operate easily: soak the silica gel strip in hot water first, then use mini tweezers to put the silica gel strip into the fake teeth, and put the fake teeth on your own teeth, finally adjust it to your comfortable position. It is very convenient, easy to clean and also reusable. Beautiful denture teeth veneer in natural tooth color makes you more confidently smile. The full set of upper and lower cosmetic teeth veneers is a good tool in teeth whitening and your oral care. Size Chart: Upper Cosmetic Teeth Cover: approx. 7x5x2cm/ 2.8x1.9x0.8inch Lower Cosmetic Teeth Cover: approx 7x4.5x0.8cm/ 2.8x1.8x0.3inch Round Box: approx. 9x2cm/3.5x0.8inch Package Includes:(4 Pack) Choice 1: 1x Upper Cosmetic Teeth Cover + 1x Rubber Strip Choice 2: 1x Lower Cosmetic Teeth Cover + 1x Rubber Strip Choice 3: 1 Pair Upper Lower Cosmetic Teeth Cover + 2x Rubber Strips Choice 4: 1x Upper Cosmetic Teeth Cover + 1x Round Box + 1x Rubber Strip Choice 5: 1x Lower Cosmetic Teeth Cover + 1x Round Box + 1x Rubber Strip Choice 6: 1 Pair Upper Lower Cosmetic Teeth Cover +1x Round Box + 2x Rubber Strips