Roll confidently with our wear and tear tested ball wheel. It delivers maximum stabilty and comfort. High-quality Material: The box body is made of high-quality ABS material. The multi-layer composite compression structure makes the surface more wear-resistant, has better resilience, and is not easily deformed under force. Double-row Wheels: soft-sound universal wheels, smooth double-row wheels, shock absorption, soft sound, smooth sliding, one-handed control, coping with various uneven roads. Practical Interior Design: The interior of the suitcase provides ample space for you to put anything you need to carry, such as clothes, documents, daily necessities, etc. Safe and Reliable: Combination lock metal lock cylinder, strong, stable, stylish appearance; Valuables and documents are more secure in the box.