Lem designed MaxVac vacuum bags are designed to achieve the professional results master chefs demand. Our innovative parallel channel design prevents hidden air pockets while the sturdy 3.5 mil puncture resistant plastic makes these bags ideal for any job. All bags are reusable, include a space to label the date/contents and are compatible with major vacuum sealer brands. Quart bags have an easy-open tear notch. Great for Sous Vide cooking or keep your valuables dry. These bags are up to the task - and all at a price that makes sense. Engineered to achieve optimal results with all Lem MaxVac heat seal bar vacuum sealers and most national brand sealers.