Efficient Smoothing: Excellent for both , ensuring a smooth and even pressing experience with Ridges: The roller features ridges designed to help align and straighten diamonds, making your projects neater and more organized Color Options: Available in vibrant gradient colors (red, blue, green) and a cheerful rainbow color scheme, adding of beauty to your crafting tools Superior Construction: Made using 3D printing technology, this roller has a glossy finish that enhances its durability and aesthetic appeal Compact and Portable: The compact size and design easy to store and carry-even when you want to do crafting or work on projects away from home or your studio Color: As Shown Material: PLA Package Contents: 1*pcs Roller 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 measurement allowed error is +/- 1-3cm.