Product Packaging: Bags packaging SS20(4.6-4.8mm) - 1500 Pcs Yellow hotfix rhinestones. Material: Glass/Artificial Crystal, Flat Back Round, High-precision cross-section, multi-sided cutting, high brightness, high Sparkly. These thermal repair rhinestone bottoms are heat activated glue that melts and sticks when heated. The Clear runs through the entire crystal, and the crystal does not fade Can be used to Diy Shoes, Clothing, glass, glass cup, Arts, crafts, metal, sunglasses, plastic, Silk, leather, denim, lycra, cotton, wool, linen, paper, polyester, Daruma, wood, canvas, nylon, decoration nail, face. Can't be used on teeth. Ideal for making unique birthday, christmas, thanksgiving gifts for family, kids, friends, lovers, girls Use tweezers and Picking Pen gem picker to pick rhinestones, Hotfix Applicator or household ironer, heat press machine for heat repair and fixation, after the heat activated glue melts, stick on the object and lightly press the rhinestones for about 5 seconds. Can also be glued with E6000 glue We have 20 years of experience in manufacturing and selling Rhinestones. If you have any questions about the diy process of rhinestone, please contact us. The professional team will reply to you within 24 hours