FlipTop FZR Boxes with hinged lids are manufactured from recycled cardboard and are ideal for FZR and refrigerator use. Boxes contain cardboard cell partition to hold popular size micro-tubes (0.2 and 1.5 - 2.0 ml). Feature liquid resistant outer coating, alpha-numeric identification on top, side and bottom of boxes, including inside lid, grid markings and drain slots. Supplied 5 per case. Hinged lid Standard 5-1/4 x 5-1/2 x 2” size ConvenientShipping Weight: 1 lbsShipping Dimensions: 10.00 x 10.00 x 5.00Product usually ships within 24 hours.Research or further manufacturing use only, not for food or drug use.