I was on the Ziplock site this morning and found that they have a new product - Ziplock big bags for storage:
Large 1.25 ft. x 1.25 ft., 5 per box
Xtra Large 2 ft. x 1.7 ft., 4 per box
XXtra Large 2 ft. x 2.7 ft., 3 per box
Has anyone seen or used these? How heavy are they?