HPPE, nylon, and pull-on closure. Hand wash only. What you get: 4 pairs of forearm protective sleeves in straight styles, 4 different colors (black, grey, blue, beige). Sufficient quantity and variety for men and women for various tasks. Protective function: Cut-resistant arm sleeves provide protection against cuts, abrasions, and heat. Elastic design fits securely on forearms with stretchable adjustment for safety during use. Flexible material: Made of HPPE and nylon, these anti-abrasion sleeves offer both protection and comfort, with flexible and breathable properties suitable for different arm sizes. Material: HPPE. Color: Multicolor. Package contents: 4 pairs of forearm protective sleeves in 4 different colors. Product measurements may vary by +/- 1-3 cm due to manual measurement. Note: Lighting and screen display settings may cause slight color differences between the image and the actual item.