These reusable polyethylene food bags are designed for use with the MasterClass food sealer pump. Features & Benefits: - The eco-savvy option: sealing meals saves you cash, reduces waste, and helps eliminate single-use plastics - Longer-lasting freshness: the bags maintain freshness for up to six times longer in the freezer - Robust and hygienic: these leakproof, food-grade polyethylene bags are nylon and BPA free - Simply hand wash to reuse - Each bag measures 24cm square Category - Kitchen Storage.