The Fold and Snap Test Tube Rack is easy to assemble, simply fold and snap together. The rack is made out of durable polypropylene * Polypropylene racks ship flat in one piece * Stable design can be used in water baths * Open design allows samples to be incubated at the same temperature * Color code for easy identification SPECIFICATIONS: * Autoclavable: True * Color: Blue * Dimensions (L x W x H): 9.6 x 4.1 x 2.4 in (24.5 x 10.5 x 6.3 cm) * Material: Polypropylene * No. of Wells: 90 * Quantity: 1 Each * Tubes: 5-10 mL * Well Diameter: 13 mm