The Camco 6-Volt RV/Marine Battery Box safely stores and protects your RV/marine battery from collisions and contaminants. It holds one 6V battery and is made of a heavy-duty, corrosion-resistant polymer. Inside dimensions are 11"L x 7-3/8"W x 11-3/16"H. Includes a strap and two strap clamps with screws. This battery box meets U.S. Coast Guard CFR 183.420 and ABYC E-10.7 specifications when used with one 6V battery.• Protects your 6V battery from collisions and contaminants• Made of a heavy-duty, corrosion-resistant polymer• Inner Dimensions: 11"L x 7-3/8"W x 11-3/16"H• Includes strap and two strap clamps with screws• Meets USCG and ABYC specs Includes strap & two strap clamps with screws Meets U.S. Coast Guard CFR 183.420 & ABYC E-10.7 specifications Inner Dimensions: 11""L x 7-3/8""W x 11-3/16""H | Camco RV / Marine 6V Battery Box