A special mould works to disguise crooked, stained, missing and gapped teeth.-It can be securely attached to the teeth-Super Comfortable, Comfort Fit Snap On Teeth-A removable,reusable temporary device.-Easy to use, just wear it on your teeth with your hands. One size fits all.-Please clean after useSpecification:Material: Food grade silica gelFeatures: Comfort Fit, Fake Teeth, WhiteUpper: Approx. 7 x 5 x 2cm/2.8 x 2.0 x 0.8 inchLower: Approx. 7 x 4.5 x 0.8cm/2.8 x 1.8 x 0.3 inchPackage Includes:1 Piece Cosmetic Teeth CoverNote:Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.Thank you for your understanding, nice day!