Specifications:. Diameter 1.3mm(SS3), 2mm(SS6), 2.8mm(SS10), 3mm(SS12), 4mm(SS16), 4.8mm(SS20) Color: Pink. Quantity(Approx.):4200pcs Note: Small items, adult supervision required. This craft jewelry making kit is not flat back adhesive, you need to use glue or double foam tape to stick them. (Glue is not included) Package included: 4200 x Flat back crystals in different sizes.WARM NOTE - These small crystals are different from those hotfix glass stones and they are not self-adhesive, so you need to apply glue to stick them (glue is not included in the package). Good DIY accessories: Flat back gems have unique sparkle and shine; suitable for a variety of handicraft jewelry and handcraft to make personal jewelry. You can decorate nails, phone, purse, clothes, shoes, all kinds of parties, special occasions, weddings, festivals, scrapbooks and more. ?Polyhedral artificial gemstones?Material is glass crystal; multifaceted and crystal ab, these glass crystals add shine and glamour to your things and your life. Features These flat pink rhinestones are made of glass crystal, and the package includes 4200 pieces flat back rhinestones in pink, enough to decorate a small DIY craft. Quantity: approx. 4200 pieces, 1.3 mm (SS3 1500 pieces), 2 mm (SS6 900 pieces), 2.8 mm (SS10 600 pieces), 3 mm (SS12 600 pieces), 4 mm (SS16 300 pieces), 4.8 mm (SS20 300 pieces).