BaaySCI’s FlipTop™ hinged lid boxes are made of recyclable cardboard, with a liquid resistant outer coating. They are shipped fully assembled with 81 place or 100 place cardboard dividers. Each box has drain slots on the bottom surface and numbered grid markings in almost every conceivable location (top, bottom, sides, etc). Available in white and 5 individual colors, plus a “Rainbow Pack” of 5 assorted colors. Useful temperature range: -196° to +121°C. • Attached Hinged Lids Foolproof identification • 5 1/4 x 5 1/4 x 2 inches Standard size, for existing racks • Available in 6 colors Individual or rainbow packs • For 81 or 100 tubes 9×9 or 10×10 format • Alpha-numeric coding Top, sides, and bottom