Quality Material: Our speed agility ladder and mark disc are made of PE material that won't break easily, and the ladders are connected by high density braided belt. No matter how it is used, it is not easy to be damaged after folding and opening. The speed training ladder is easy for adjustable and using, convenient to storage. The space between rungs is adjustable, you can simple adjust it in the braided belt so as to meet your workout demands. Retain Shape: Because of bright color, the disc cones are easy to see. The super toughness character makes our mark disc will bounce back after getting stepped on, kicked, and run over season after season.