are light and easy to handle when inflated and easily stowable into small lockers when deflated.ModelSize(D*H*A)ThicknessWeightBuoyancyPacking(pcs/box)AbbreviationA2525*31*2.5cm3.8mm850g8kg35/70*45*50cmA0A2929*37*2.7cm3.8mm950g12kg30/70*45*50cmA1A3838*48*3.7cm3.8mm2000g20kg15/70*45*50cmA2A4040*55*3.7cm3.8mm2300g25kg13/70*45*50cm/A4545*60*3.7cm3.8mm3400g30kg10/70*45*50cmA3A4848*68*3.7cm3.8mm3800g35kg9/70*45*50cm/A5555*73*3.7cm3.8mm4400g50kg7/70*45*50cmA4A6565*85*3.7cm3.8mm6000g70kg6/70*45*50cmA5