weight of sandwich bag
In: Science. A standard size Ziplock sandwich bag weighs about 2 grams (= 1/12oz), a standard size freezer bag weighs about 5 grams (= 0.1 oz) and a gallon size freezer bag weighs about 10 grams (= 0.3 oz). Usually a 1 ounce sandwich size zip-lock type bag weighs 3.5 grams according to budlife420.com ChaCha!