This product is a patented product Specifications: Product color: black and white Type: multi-function Product size: 36x33x1mm/1.42inx 1.3inx 0.04" Product thickness: 1mm+0.75mm+0.5mm. Product materials: high-strength construction materials (ABS + PC) Application field: general purpose Features: 1. Use of materials (ABS), special technologies and quality assurance through various production processes. 2. 3 thicknesses are integrated to meet the different needs of customers. 3. Small and light, easy to carry musical inst ent accessories for professional competition. 4. Patented products and special processes.<br><br>Package Contents: 10 guitar picks.<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is +/- 1-3cm.