These are all clear, food grade, polyethylene bags in the following styles, sizes, and amounts. Zip Locks, 4mil thickness 2"x3" - $1.99/bag of 100 9"x12" - $10.99/bag of 100 10"x12" - $12.99/bag of 100 12"x15" - $16.99/bag of 100 Poly Bags, 3.5mil thickness 5"x11" - $1.50/bag of 10 5"x11" - $15.00/bag of 100 15"x22" - $30.00/bag of 100 In store purchase only, unless on account.