I LOVE TO CREATE-Tulip: Glam-It-Up Crystals. These adhesive-backed iron-on crystals are perfect for bedazzling all of your fabric accessories! They are made from high-quality reflective glass; not acrylic; so they won't lose their luster in the wash. Just add heat for permanent sparkle on fabric! This package 300 total crystals. 120 have a 3mm diameter; 120 have a 4mm diameter; and 60 have a 5mm diameter. Machine washable. Imported.