High-grade steel welded construction; premium OPD (overfilling protection device) valve assembly | DOT approved, X-ray and hydrostatic tested | Powder-coated for long-lasting exterior protection | Our propane tank is commonly referred to as a "10lb propane tank" or a "11lb propane tank" in the industry, but its accurate capacity is 10.51lbs. We use "10lb" for simplicity, acknowledging the industry's varied terminology | NOTE: The propane tank is empty and ready to be filled with gas