About This Heat-resistant Material: made of quality polypropylene (PP), this spill containment tray withstands extreme temperatures (from freezing to autoclaving) without warping, making it ideal for sterilizing, drying, and storing laboratory equipment Portable and Utility: comes with 10 pieces polypropylene containment tray with handle foe easier to carry, and tapered walls for stackable storage ideal to meet daily usage needs of the laboratory; Each size is 16 x 11 x 3.5 inches, which offer a large capacity and the ability to hold different laboratory equipment simultaneously Anti Overflow: polypropylene lab tray has smooth and non-porous surface is stain-resistant and corrosion-resistant, and the raised edges prevent liquid overflowing, solid construction ensures reliable performance for all your critical tasks Easy to Clean: plastic utility trays with reinforced flat bottom to ensure smooth placement, which has a nice shock-resistant and wear-resistant, can be easily cleaned with soap, effortless cleaning or simply wipe down could save you time and effort Multi-purpose Design: plastic science lab trays is stable and durable perfect for storaging in laboratories, schools and homes, also can hold glassware, instruments or chemical reagents, and can also be applied as a teaching tray or sterilization container Overview Color : White Brand : Kingdder Product Dimensions : 16.14"L x 11.81"W Item Weight : 6.9 Pounds Manufacturer : Kingdder