16mm Natural Semi Precious Square Diagonally Black Agate Gemstone Beads for Jewelry Making Strand 15" Material: Square Diagonally Black Agate Beads. Fastest delivery: All our beads are fulfilled by Amazon. They can be delivered within 1-2 days after you pay. JOE FOREMAN is registered brand of the US Patent and Trademark Officeand theAAABeads is our factory. We did not authorize to other sellers. For the quality of the products and the after-sales guarantee, please choose theAAABeads in order to beware of being deceived. Note: All stones are unique and may vary from the one shown in the picture, and these beads can make stone trees, necklaces, bracelets, earrings and rings. Gift: These beads will be the best gift sets choice on Mother's Day, Valentines Day, Christmas Day, Halloween and Thanksgiving Day.