Dual Rebar Chair/Plastic Rebar Chair/Concrete Rebar Chair/Individual Rebar Chair 1 Use:Plastic rebar chair is for concreting support for reinforcing mesh and bar 2 Benefit:Cheap price and good quality 3 delivery on time 4. Package: 100pcs/bag, then packed in pallets, or packed in caron direct. Welcome to email me when you have any question.