Material: White Howlite Stone and Black Lava Rock. White Howlite Stone: Her, For 5.75-7 Wrist; Black Lava Rock: His, For 6.5-8 Wrist, braided rope, adjustable size, perfect solution size problem. 2pcs packed in the same box, One White Howlite Stone for Her, One Black Lava Rock for His. Natural wishing healing stones. The Black Lava Stone shows his masculine and energy, could help to release stress. The White Howlite shows her pure and beauty, help her to be healthy and lucky. Handmade item; Great Spiritual Meditation,Choose Your Birthstone, Lucky Stones.