SWAROVSKI ADVANCED HOT FIX CRYSTALS - No Glue Needed! Strongest, most durable glue is on the back of each crystal. Apply to shoes, purses, clothing, paper, wood... nearly any item. Heat press or household iron (dry setting) can be used for flat ironable items. Perfect for use on fabrics and porous surfaces - paper, wood, suede, etc. Patented, lead-free hot fix glue is compliant with the strictest laws on earth. Approx. 30 pieces.