Description: SAFE MATERIAL: Those heishi beads are made of polymer clay, environmentally friendly material. Different mixed color flat beads for jewelry making kit enough for lots of DIY project. 6mm in diameter, thickness: 1mm, hole: 2mm. clay beads are lightweight, comfortable to wear, waterproof and not get fade. JEWELRY DIY KIT: Those flat disc beads are usually used for DIY bracelets, necklaces, earrings, anklets and many ornaments. This loose spacer beads is elegant and eye-catching, suitable for teens and adults. EDUCATIONAL: With clay beads to create crafts help keep kids away from video games, improve their creativity, imagination, color perception, hands-on ability and concentration. DIY heishi beads jewelry build warm parent-child relationship, friendship and help relieve stress. MAKING GIFT BY YOURSELF: Making meaningful and perfect gift for birthday, valentine's day, Christmas, Mother's Day, Thanksgiving Day. Specification: Material: Polymer clay Package Includes: 2 Set of Heishi Clay Beads Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!