Size: 4mm Beads Size, and Hole Size is 0.8mm, One Strand Includes about 85pcs-95pcs Beads of totally 15 inches Length. That Can Make Two Bracelets. Features: The Beads are Natural Gemstones ,Full of Energy Well Polished with Bright Color and Smooth Surface. Jewelry Making: Loose Semi-precious Gemstone Beads are Gift for DIY Designer. The Natural Powerful Gemstone can Be Used for Jewelry Making, Bracelets, Necklace, Earring, Ring and DIY Present for Friends and Family. Healing Properties: Natural High Quality Black Tourmaline Round Beads. Tourmaline is thought to purify negative thoughts it can encourage a positive attitude regardless of circumstances It helps Reverses obsessive or compulsive behaviors. Creativity: Try to creat what you like, and you will be happier and more creative and confident. It's the perfect gift for family, friends or any holiday, crystal lovers and crystal beginners, Also a unique ideal gift choice during Christmas Day, Birthday, Valentine's Day, Mother's Day, Father's Day, Valentine’s Day, Anniversary Day to your loved one and yourself.