Features: 1. Curved stretching tool. 2. Proper stretching. 3. Stripes and grooves increase the friction for safe use. 4. The bottom is non-slip Specifications: Material: ABS Color: black, rose red, blue, yellow Size: 260mm*125mm(about) Net weight: 370g(about) Gross weight: 410g(about) Note: Product sizes are measured by hand, please carefully compare the size when purchasing. Please allow 1-3mm differences due to manual measurement. Due to the different displays and different lights, the picture may not show the actual color of the item. Thanks for your understanding.