Preserve and extend your food's shelf life with these DSB 8" x 10" 3 mil chamber vacuum packaging bags. These industrial strength bags will help keep your food fresh up to five times longer than traditional storage methods, making it an extremely cost-effective alternative as well! They securely seal any solid or liquid product with any chamber vacuum packaging machine to ensure long lasting freshness and feature an 8" open end for sealing. These bags are made of 80% polyethylene and 20% nylon and are durable enough to resist punctures and abrasions. They can be frozen, refrigerated, or microwaved and can withstand being boiled for up to 20 minutes, making them great for sous vide cooking.