Size: 300 x 2mm, 476 x 3mm, 300 x 4mm, 100x 5mm, 100 x 6mm, 80 x 8mm, 50 x 10mm. These self adhesive or stick on pearls are made of the finest acrylic for a perfect glass like shine. They have their own quality glue on the bottom of each pearl to attach quickly to your craft projects, Just remove from the clear sheet and stick!