The Crystal Mix Color Essentials Gems are 108 self-adhesive gems on a sheet. Add extra sparkle to your cardmaking and other projects with beautifully curated crystals in four sizes (2mm, 3mm, 4mm and 5mm). Mix and match the gems in colors and sizes for a stunning result! Approximate Size: Gems in 2mm, 3mm, 4mm and 5mm. Contains 108 Gems.