These resin Navette sewon stones can be used on numerous projects including dress making, jewellery making, embellishing clothing including dance costumes, body building suits, bikinis, burlesque outfits, costumes, theatrical costumes, drag outfits, bags, shoes, cards, wedding dresses, prom dresses etc. These Resin crystals are flat back with holes, you can either sew them or glue them on to any surface. We recommend Gem Tac glue when you are gluing onto fabric. They are light weight and ideal for mixing with Preciosa and Swarovski sew on stones. We have recieved fabulous feedback on these great quality resin stone due to the quality and cost price.