The present invention relates to a bag design to receiving a by-product of a primary product, the bag comprising: a receptacle forming at least one interior compartment and formed from a unitary sheet, wherein an opening is formed to the at least one interior compartment, and a plurality of folding creases are disposed distal to the opening; an adhesive strip disposed on the exterior surface of the rear panel; a first portion of a locking mechanism disposed below the folding creases on the exterior surface of the front panel; a second portion of a locking mechanism disposed distal to the opening on the exterior surface of the rear panel and substantially aligned with the first portion of the locking mechanism.