6 Size Flatback Pearls: about 4mm, 5mm, 6mm, 8mm, 10mm, 12mm in diameter, 2~6mm thick. Normal assorted sizes will fit for most scrapbooking craft. You can glue them on to tulle, letters glass, canvas, jeans and suede boots. Quantity: about 690pcs totally - 340pcs in 4mm, 170pcs in 5mm, 100pcs in 6mm, 45pcs in 8mm, 25pcs in 10mm, 10pcs in 12mm. More in small sizes to fit for small item craft. Wedding Decoration: Pearl cabochons for decorating wedding centerpieces, backdrops, bridal bouquets, dress, high heels, invitations, headpieces, tables, chairs, shirt, halls and others, add the elegance of pearls to your decorations and give your craft creations a touch of sheen and glamour. Material: Acrylic with smooth surface in white color, pure white color will fit for almost scrapbooking and card- making projects. Easy to Use: Half pearl design, you can use glue to stick them on any smooth surface, which will be much firm than self-adhesive ones. You can use hot glue or craft glue.