This large beta waste shield allows you to completely enclose a container holding solid or liquid radioactive waste. It accommodates 20 Liter Nalgene carboys and standard office-size trash cans. Made of durable transparent 3/8 inch (9mm) thick acrylic. Large hinged door on cover allows easy access to the waste receptacle. Leakproof tray contains spills. Hinged corners allow removal of receptacle. WARNING! Radioactive waste should never be stored on the benchtop for long periods of time and should be disposed of properly. Proper handling and storage of isotopes will minimize exposure to radiation. For standards related to exposure refer to United States Nuclear Regulatory Commission Rules and Regulations Title 10 Chapter 1 Part 20. Capacity: 20 Liter. Material: acrylic. Thickness: 3/8 inch (9mm). Outer dimensions: 737 x 457 x 457mm (29-3/8 x 18 x18 inch). Inner dimensions: 736 x 406 x 406mm (29 x 16 x 16 inch). 1/Case. Nalgene®#: 6745-9024.