Stop messing around with temporary cargo carrying solutions. Get down to business with these clip-to-close, stackable and durable storage containers. Front Runner Wolf Packs can be used alone or as components for Front Runner Wolf Pack Drawer Systems, Front Runner Transit Bags, and Front Runner Flat Packs. Materials used:Black high density polyethelene (HDPE) plasticProduct Dimensions:510mm (20.1) L x 400mm (15.8) W x 230mm (9.1) HInternal Dimensions:450mm (17.7) L x 340mm (13.4) W x 205mm (8.1) HWeight:3.00kg (6.6lbs)