WHY CHOOSE WONDAY REUSABLE BAGS? Humanized Design Leakproof: Upgraded airtight seal closure provides leakproof. Easy Seal: with the upgraded wide side & non-slip zipper design, easy to open & close. Freezer Safe: designed to lock out freezer burn while keeping food full of original flavor. Convenient: transparent design gives you a clear view of the contents while keeping multiple items together. Great for Our Plante & Family Reusable:1 reusable sandwich bags bag can save up to 350 + disposable bags, don’t feel bad again for throwing out disposable bags. 100% Food Safe: Made of food-grade PEVA, BPA free, the storage bags are ideal for packing your and your kids lunches on the go. Package Includes 4 x reusable gallon bags 4x reusable sandwich bags 4x reusable snack bags