Melalenia 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. It is anti-stamped, anti-fall, anti-explosion, waterproof, anti-collision, and can rebound immediately afterwards to protect luggage. Lightweight and durable. So you can go anywhere with ease and confidence. We also match the 14 Inch Cosmetic Case,'Melalenia luggage is light and wear-resistant, suitable for business trips, travel, and school. Make your travel worry-free'