Design Size = See images for exact dimensions, Rhinestone Size = 10ss (3mm) or 16ss (4mm) Professional Grade. Heat apply rhinestones permanently with an iron or heat press to almost any surface, easy step by step instructions included. Fabric applications are washable and will last for years. Personalize almost anything: Apparel - Paper Crafts - Purses - Dance/Cheer Wear - Quilts - Wood Crafts - Scrapbooking - Kids Crafts - Shoes - Home Decorations - Greeting Cards - Costumes - and more. Wash and dry as normal, inside out if possible.A large variety of other designs and letter sets are available. - 100% Satisfaction is guaranteed.