VacYaYa vacuum sealer bags rolls with heavy duty embossed surface, creating channels for air to easily be removed from bag. vacuum sealer bags as a result of their textured design, Bags will protect your food from freezer burn and prolong its lifespan while storing. Also, since you custom size the bag, there's less waste. You always have right size to fit your needs. Food vac bags block oxygen and moisture. Embossed air-removal channels increase suction for maximum freshness. more than 5 times longer freezer storage time, locking in freshness, flavor and nutritional value - no freezer burn! Vacuum Sealer Bags are perfect for: Marinating Meal Prepping Buying in Bulk Storing Leftovers Cooking Sous Vide Long Term Freezer Storage Processing Fish & Wild Game Harvesting Fresh Fruits, Vegetables, & Herbs Bags Specifications: BPA free and Food Grade 3.5 mil thick non-embossed front panel for optimum clarity Constructed of food grade material to block moisture and oxygen Easy-to-use and economical for sealing items of different sizes and lengths 4 mil thick embossed back panel with dot air channel design for maximum oxygen removal Universal designed embossed panel for maximum air removal on all major brand vacuum sealers Freezer and Cook Safe Our bags are designed to withdraw oxygen from the bag, keeping your food's moisture in and preventing oxygen from seeping back into your food, in order to prevent freezer burn. Have specially designed channels that remove oxygen, creating an airtight barrier that locks in flavor and prevents spoilage and freezer burn.Our seal a meal bags rolls are safe to be used for sous vide cooking, boiling to reheat, or in the microwave reheat or steam when the bag is punctured.