●External dimensions: 40.89 x 33.1 x 17.48 cm, inner dimensions: 37.39 x 25.96 x 15.44 cm, lid depth: 4.45 cm, base depth: 11.1 cm, inner volume: 15 L, weight (empty): 2.50 kg ●Waterproof, shatterproof and dustproof. Certifications: IP67 / MIL C-4150J / Def Stan 81-41 / STANAG 4280 ●Easy to open two-stage closures, O-ring seal, automatic pressure compensation valve, comfortable, rubberised handles ●Open cell core with durable wall construction - durable, lightweight Stackable design. ●Operating temperature between -40 ⁰C and 99 ⁰C, buoyancy: 13.61 kg