The multi-point support and dispersed pressure double-sided honeycomb column design, multi-point close arrangement, more uniform and stable stress, no deformation, lying flat without sinking and shaking when rising.Nylon TPU wear-resistant and waterproof double-layer composite glue pressing process, with inner TPU sealing coating.Small size, light weight, easy storage, more convenient to carry, weighing only about 1.6kg.Product size 200 × one hundred and forty × 16cm/210 × one hundred and thirty-five × 13cm (sea blue)