【150 Large Quantities for Extended Storage】150 PCS resealable bags have various 2 sizes-100 PCS 6"x9" large and 50 PCS 4"x6" small, which are suitable for packaging kitchen ingredients, food, and other daily necessities, including coffee beans, bath salt, candy, sugar, cookie, etc.【Note】: The back of this product is black, its color is composed of black and silver.【Easy to Use for Daily Needs】Just open and seal with ziplock design, very easy to reseal for packing and storing. The resealable bag has a U shape tear on the side for easy tear, no wasting time to find a knife or scissors; Sealable with a hot iron, ensures long term protection.【Smell Proof & Food Grade Material】Smell Proof bags add an internal layer of aluminum, keep airtight, waterproof, and leakproof by self-sealing and heat sealing, which means that your food will stay fresher for longer than a regular ziplock bag.【Stand-up Design for Better Organization】Stand-up pouch bag with thickened bottom design allows them to stand upright, which makes it easy to see the food when you take things.