GemmartUSA Natural Crystal Chip Beads Natural Stone Beads 1 Strand 34 Inch Jewelry Making Supplies (CHCY-70001) - 1 strand of 34". Beads vary in size from 4mm-6mm. - Natural chip beads for DIY, Jewelry Making and Crafts - Material:Semiprecious Stone;Shape:Freefrom,Irregular;Style:Drilled - BUY WITH CONFIDENCE: 30 DAY Money-Back Guarantee. No questions asked. You will love our products and service. Contact us with questions/ concerns for prompt response from care team : - Comes with a signed Certificate of Authenticity from GemMartUSAInc