Product parameters: Fasten the buckle securely Built-in pillow Removable and washable inner cover With breathable mesh fabric Durable shoe shell made of PP material PU full meat wheel Introduction: Shell: high-strength PP material impact-resistant shoe shell Liner: Breathable mesh + environmental protection leather + thick memory foam + sweat-absorbing lining Bracket: One-piece CNC aluminum alloy bracket Bar buckle: central buckle + fine-tuning reverse buckle Bearing: ABEC Precision Bearing Package includes 1 pair of roller skates