02:10 00:24 The ice packs solves the difficulty that round products can not be completely cooled and kept warm.
00:29 food grade night transparent plastic tube with low price
00:29 long insulation time light weight and cheaper price
00:44 It can be assembled by yourself ,with light weight, it can be maintained temperature 2-8 degree for 48 hours, 72 hours and 120 hours
00:11 it can be maintained at 55 degrees 80 degrees for about 8 hours, the out box is made of high temperature resistant food grade PP, the inner is 55 degree and 80 degree phase change material , can be used for food warm and cold weather heating
00:39 can be Repeated use, Used for food heat preservation, it can be maintained at 55 degrees 70 degrees for about 8 hours
00:31 long time cooler ,light weight, and easy to carry