Eco-friendly pallets are made of up to 100% recycled polyethylene, making them twice as good for the environment! They not only protect against groundwater contamination, they also utilize post-industrial material that might have otherwise been discarded into the waste stream Quality engineered with a robust design, pallets withstand the toughest environments for superior spill control Durable, UV-protected EcoPolyBlend ™ polyethylene is nearly impervious to chemical attack from hazardous acids, caustics and solvents Seamless construction eliminates leaks even if a 55-gallon (200 L) drum fails and completely empties its contents Fully compliant, Justrite® EcoPolyBlend ™ Pallets feature oversized leak proof sumps that meet or exceed regulations Sturdy, removable grates are nearly 2 1/2"" (64 mm) thick for superior crack resistance Self-locating, they reduce the chance of grate ""ride-up"" and remove for quick sump inspection and cleaning 2-drum and 4-drum square pallets include wide forklift pockets for easy relocation Square pallet may be equipped with an optional ramp to facilitate loading and unloading of heavy drums Black = Are made of 100% recycled material. Their dark color camouflage dirt and keeps workplaces looking clean.