Compact storage box has angled front slot for easy access to tubes. Rugged polypropylene box has durable three-point hinges, snapping clasp for secure closure, molded grid lines on lid, imprinted coordinates on bottom of base, and imprinted and raised coordinates on tube wells. Holds 1.5 to 2.0 milliliters microtubes. Autoclavable. Natural color. Measures 141mm length by 92mm width by 56mm height.