Item Type: Athletic Gear Reaction Belt Product Material: Nylon Package List 2 x Athletic Gear Reaction Belt 2 x Connecting Rope 1Durable: The speed responsive belt is made of durable nylon material, which is durable and can withstand great tensile force without breaking or wearing clothes. 2Widely Applicable: The speed responsive belt is very suitable for sports that require quick movement, quick steering, and quick response. It is also suitable for other interesting sports and educational games. 3Reaction Training: The speed training belt is tied between two team members, and exercising together can greatly improve their reaction ability and help improve their health. 4Reasonable Length: The length of the belt is reasonable, which can ensure safe movement at high speed, high intensity, and fast rate. It is a fun sports equipment that ensures premium training effects. 5Small and Portable: This speed belt is lightweight, saving space when stored at home, and is easy to carry when traveling without causing any burden.