• Rubber
• Skating training accessory: effectively improve the braking performance and reduce the braking noises
• Adjustable rubber brake block stoppers: anti-slip sole prevents skidding, great for balancing your roller skates
• Roller skates brake: this professional brake block is sturdy, wear- resistant and non- slip and can be a good tool
• Toe stopper: specially designed for double row roller skates. adjustable brake is practical
• Roller skates necessity: adjusted easily to your height to give you a better and more comfortable skating