Paper Boutique Christmas Adventure Self Adhesive Crystal Gems. These beautiful, sparkly crystals are designed to co-ordinate with the Christmas Adventure paper pad, but in classic colours they will work with lots of colour schemes and designs. The pack contains 100 crystals in sizes ranging from 10mm to 3mm diameter, in bright red and green. They are perfect for adding both sparkle and dimension to your Christmas craft projects. Easy to apply just peel off the backing sheet and press in to position.