Bar Chair is used to provide the necessary top cover for the top reinforcement steel.Bar chairs are made of machine bent hard drawn steel wires of diameter 4.5-6mm with plastic tips at the legs to prevent rusting. 1)Material:Lo 5)Weight:31g-158g 6)Packing:1>in plastic bag,then put in carton box; 2>inside plastic film,outside carton box; 3>in pallet,or according to your requirement