8mm hdpe pad for Folding Chairs and Tables-HDPE sheets 4×8 . 48 x 96 hdpe polythene sheet for Folding Chairs and Tables 2 inch Durable hdpe plate for Folding Chairs and Tables Open dimensions: 48" L x 24" W x 22"-36" H. Folded dimensions: 48" L x 24" W x 2.125" H. Adjusts to 22" children's table height, 29" regular table height, or 36" untertop height.