Formline Supply is a leading manufacturer of Smell Proof Bags, Scent Proof Cases, and Odor Proof Containers. Established in 2017, Southern California’s FORMLINE has quickly earned the reputation of having the highest quality storage products and unparalleled customer service. Find out why over 100,000+ happy customers have chosen FORMLINE as their storage brand of choice. Free Shipping on Everything, 100% Satisfaction Guaranteed.