It will be shipped in an OPP bag and a waterproof bag. Size (approx.) W14 x H21cm, no gusset Strap length: approx. 126cm (not adjustable) It's a size that can fit a long wallet. The strap length is adjusted by the position of the knot. There are inner pockets on both sides. One is sized for a smartphone, and the other is two-tiered and sized for cards.