From the product description, check product page for current description, price and availability:

• Commercial Grade Material : multi-ply material block oxygen and moisture for freezer storage, microwave, and sous vide vacuum cooking or just store your cabinet foods longer Boilable, Freezable, Reusable, Dishwasher Safe
• Size :8”x10” (50bags) Easy-to-use and economical for sealing items of different sizes and lengths and keep different food
• Fit for All Vacuum Sealer Machines : Universal design to work with all clamp type suction vac heat sealer machines. Keeps food fresh, A Money & Food Saver
• Easy to Seal : Simply add food to the bag, insert the open end in a Food Saver heat-seal vacuum sealing system, and the machine takes care of the rest removing all the air before for maximum freshness
• The vacuum sealing system automatically removes all the air from the bag and then uses heat to create an airtight seal, which locks out moisture and air to protect food and maintain freshness