Joyway luggage PP material: PP (polypropylene) is a thermoplastic resin with high tensile strength. Mainly used in aviation products and high-end bags. It has the characteristics of light weight, softness, strong flexibility, and not easy to deform. Anti-ramping, anti-drop, anti-explosion, waterproof, anti-collision, can rebound immediately afterwards to protect luggage. Lightweight and durable. So you can go anywhere with ease and confidence. We also match it with a 14-inch cosmetic case. The Joyway carry-on luggage is light and wear-resistant, suitable for business trips, travel, and school. Let you travel worry-free'