HIGH QUALITY BPA-FREE MATERIAL: These sous vide bags are made from BPA-free materials, ensuring your food is safely cooked without any harmful chemicals leaching into your food. REUSABLE & DURABLE: Designed for multiple uses, these vacuum seal bags are durable and built to withstand repeated use, making them a cost-effective and eco-friendly choice for sous vide cooking. AIR VALVE FOR A GOOD SEAL: Equipped with a built-in air valve, these bags easily vacuum seal, ensuring all the air is expelled, creating a tight seal that keeps water out and ensures even cooking. COMPATIBLE WITH MAJOR COOKERS: These bags are compatible with popular sous vide cookers like Joule and Anova, providing a versatile solution for achieving precise and consistent cooking results. CONVENIENT SET OF 15: With this set of 15 bags, you'll have more than enough for batch cooking, meal prepping, and trying out different recipes, making it a convenient addition to your kitchen tools.