This insulated cooler bag is designed to fit the Original Bogg Bags to transform your tote into a stylish cooler, keeping your drinks and snacks nice and cool! Made of 600D/polyester and insulated with closed-cell foam and lined with PEVA insulation material to keep the storage cold throughout. Soft side coolers are cut and sewn products, we do not recommend using ice cubes that may melt over time, causing liquid to pool and potentially leak. Ice packs are recommended.