Features: Patented design for stackable surfacesHigh impact injection molded reinforced engineering-grade polypropyleneWatertight, crushproof, and dustproofEasy open Double insurance latches. Open with solid wall design - strong, light weight.O-ring sealAutomatic Pressure Equalization Valve - balances interior pressure, keeps water out. Folding ergonomic handles. Colorful wear-resistant silent wheel. Internal different foam options.Specifications: Interior Dimensions (L x W x D): 950 x 300.5 x 126 mmExterior Dimensions (L x W x D):1000 x 360 x 143 mmN.W/G.W: 4.75kg/5.55kg OEM logo:9.2 x 4.6 cmLock option:6 locksCertifications: Waterproof and dustproof IP67, shockproof IK08. Material: Polypropylene (PP) Thermoplastic Polymer, Professional-Grade Foam.