Camco RV Standard Battery Box is a black lightweight, heavy-duty corrosion-resistant polypropylene box which is designed to secure and protect the battery. It includes lift-off lid, durable woven hold-down strap, foot clamps and stainless steel screws. This box meets USCG CFR 183.420 and ABYC E-010.7 specifications. It fits group size 24 batteries with inside dimensions of lid 7 /14;"Wide X 10 3/4"Long X 8 "Tall with 2"additional head room for battery terminals.