LEM products designed our vacuum bags to achieve the professional results hunters and 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 the big jobs. 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. Pack a season's worth of Salmon, use for Sous Vide cooking, even keep your camera dry. These bags are up to the taskSpecifications:8" x 12" (20.3 cm x 30.5 cm)Quart Size100 countExclusive parallel channel design prevents hidden air pocketsSturdy 3.5 mil thick, puncture resistant 4 layer plasticReusableIncluded space to label the date/contentsCompatible with most vacuum sealers (Not compatible with chamber vacuum sealers.)Easy open tear notch