Our suitcases are made of impact-resistant high-strength materials, which are lightweight, durable, flexible, and not easy to deform and break. Provides excellent stress resistance, making your travels happy and worry-free. The suitcase is made of ABS+PC material, three-layer high-density material, with high impact strength and surface hardness, wear resistance, light weight and toughness. Smooth pulling, non-destructive in the shock test, not easy to break under heavy pressure, multi-level adjustable, smooth and unimpeded pulling. 360° swivel wheels,upgraded silent large wheels, which can adapt to various road surfaces smoothly and freely. The 4-wheel design reduces the friction coefficient during use, making it smoother and quieter. Lightweight and very . Features a textured finish that resists scratches and keeps the lightweight luggage looking beautiful travel after travel