Package Includes: Total 30pcs open back bezel pendants(15 styles x 2pcs), with size of 21~44x14~42x1.5~4mm, hole:1.6~3mm. Color: gold. Material:Made of premium alloy, our hollow frame charms are sturdy, durable, not easy to bend or deform, great for long time use. Wide Usages: You can use these open bezel frames to make charms and pendants for your jewelry design and embellishment for keychain, zipper pulls, sweater chains, hanging ornaments, scrapbooks and so on. 15 Styles Available: The open bezel charms set features various styles like flower, heart, butterfly, leaf and Christmas tree, great to meet your various crafting needs. How to Use: Tape the back of the frame, then fill the hollow frame with mini charms, pendants, glitters, gems, dried flowers you want. Pour the resin in and wait for them to cure.