The base made of eVent material lets this dry bag together by squeezing out extra air. Thus, a tamper-evident valve is not required.
The seams are taped
The surface fabric is 70 denier nylon, with polyurethane treatment, water column value 10,000 mm, double seams are taped to be waterproof
The sole is made of waterproof eVent fabric
The main lock is done by rolling, in addition the compression is done with the help of “Hood”
Strap at the bottom for easy packing and carrying