The pouch is water resistant,but it is not waterproof.
The straps can be threaded through the loops on the back for a tight fit on the belt or any combination of wear options and belt sizes. There’s a loop on top.
This Premium Quality Pouch is made with 1000 denier waterproof cordura nylon ,with MOLLE attachments,double webbing molle belts behind, and extra strong buckles.

Safe protection – interior offers secure storage space and prevents scratches, built-in strap and buffer layer offers protection against minor bumps, scratches, dust, drops and shocks, strong zipper ensures the case will stay closed and protect the contents inside
4 Mesh pockets – 4 mesh pockets to hold various items like usb data cables, pencil cell, power banks, pen drive, pens, small electronics accessories, utility items, power adaptors, stationary, memory card, and other items etc.
Molded eva-plastic exterior, interior stretch – mesh pockets, most versatile organization system designed to hold items firmly in place, endless configurations perfect for your gadgets