Specifications: Diameter: 1.3 mm(SS3), 2 mm(SS6), 2.8 mm(SS10), 3 mm(SS12), 4 mm(SS16), 4.8 mm(SS20) Color: crystal AB Quantity (approx.): 4200 pieces Notice: Small objects, adult supervision required. This craft jewels set are not adhesive flatback, you need to use glue or double foam tape to stick them. (glue is not included) Package includes: 4200 x Mixed size Flat back crystals LIFETIME WARRANTY and 90-day unconditional original manufacturer money-back guarantee from Sweeting Store.Warm notice: these small crystals are different from those hot fix 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 supply: flat back gems have unique sparkle and shine; Suitable for DIY a variety of handwork jewelry and hand craft to make personal style jewelry.It can decorate nail, phone, wallet, clothes, shoes, all kinds of parties, special events, wedding, festivals, scrapbooks and more. Polyhedral artificial gemstones: material is glass crystal; Multi-faceted and crystal ab, these glass crystals add sparkle and glamour to your things and life. Features: these flat back crystals ab are made of glass crystal, and the package includes 4200 pieces flat back rhinestones in clear, enough to decorate a small DIY craft. Quantity: approx. 4200 pcs, 1.3mm (SS3 1500pcs), 2mm (SS6 900pcs), 2.8mm (SS10 600pcs), 3mm (SS12 600pcs), 4mm (SS16 300pcs), 4.8mm (SS20 300pcs).Number of Pieces: 4200. Shape: Round. Brand: Zealer. Size: 1.5 mm to 4.8 mm. Material: Glass. Color: Crystal AB. Date First Available: May 27, 2018. Manufacturer: Zealer. Item Weight: 3.2 ounces. Is Discontinued By Manufacturer: No. Best Sellers Rank: #4,806 in Arts, Crafts & Sewing. Customer Reviews: 4.7 4.7 out of 5 stars 2,626 ratings 4.7 out of 5 stars. : B07DBP861B. Item model number: 4337033721. Package Dimensions: 6.9 x 3.8 x 0.7 inches.