Description: Capacity: 1.5ml/piece, enough for one person Color: Black Tips: Included Usage Place: Home use, use, Beauty Salon Use, Office Use How to Use Step 1. Clean Oral at first, put on the cheek retractor. Step 2. Take out the of , Bring curved tips, hold it and , paste the on the surface of gum until it covers and protects gingival well(it's about 2-4mm thickness and 3-6mm width) Step 3. Use LED curing lighting about 30-40 seconds become solid Step 4. Start process Step 5. Remove the curing gum after process Note:The Gum barrier is used for Protecting gums during treatment, it can be harden in about 2 seconds. Package Includes: 10 Pieces 1.5ml gum Note: Please allow 1-2cm(0.4-0.8 inch) size difference due to measurement. Thank you! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store