These CleverDelights premium stand-up pouches are perfect for a variety of uses from retail sales to personal storage. The protective interior lining provides an additional barrier from external elements. Tear-notched flaps above the zipper lock can be heat sealed for long-term storage (requires a heat sealer -- sold separately on Amazon). Once opened, the pouches also feature a re-closeable zipper lock for convenient access and transport. Approximate dimensions are 4" x 6" x 2" (bottom-gusset) and are ideal for storing and selling all kinds of items ranging from household trinkets to moisture-sensitive items. These CleverDelights-brand pouches ship from a USA warehouse so your items arrive quickly!