Description Resin is not plastic. It is a better material and looks like glass. These easy to use crystals are best for both professionals and DIY enthusiasts. These rhinestones can be used in a number of projects such as dress making, jewelry making, embellishing clothes, costumes, bags, shoes, cards, wedding dresses etc. Features - Color: AB color. - Material:Resin. - Size: Approx. 1.3 x2.2cm/ 0.5 x 0.9 inch (LxW). - with gorgeous color.Perfect to embellish a variety of items. - These crystals are flat back with holes, so either sew them or glue them on to any surface. - Proper size with attractive appearance. Great for costume decoration at Halloween, Carnival, Cosplay, Stage Performance, etc.Package listing: 1 x 50pcs 13x22mm Teardrop Shape Sew or Glue on Resin Crystals Flat Back Rhinestone for Costume