– These cute and brilliant Mixed Clear Iridescent Rainbow Heart shaped glitters are made of high quality PET polyester.– Three heart sizes: 3x3 mm (0.12x0.12 inches), 4x4 mm (0.16x0.16 inches), and 6x6 mm (0.24x0.24 inches).– Shiny surface with a clear iridescent color and reflective rainbow light. – Perfect for slime art and charms, nail art, resin jewelry, UV resin, paint, glue, soap, scrapbooking, tumbler, and other crafts.– Packed in a ziplock bag and shipped in an envelope. 1/2 oz, 1 oz, or 2 oz glitter is packed in clear PET bottle(s) and shipped in a box.– Super low FLAT shipping cost $0.49. Ship within 1-2 business days after I receive your order. United States only.* WARNING: CHOKING HAZARD. Small parts. Not for children under 3 years.