Safe - GonLei reusable storage bags are made of food-grade & eco-friendly PEVA material, PVC-free, lead-free, chloride-free, an eco-friendly and recyclable material that is not harmful to the environment when disposed of or burned. They are environmentally friendly, healthy and safe product. Upgraded Zipper - The sandwich bags feature an upgraded ziplock closures sealing technology that is more sealed, leak-proof, waterproof and hygienic, perfect for storing and preserving food. With the upgraded wide side and non-slip zipper design, children can easily open and close the snack bag. It is easy to clean with the bottle brush and put the bags on the top of a mug or cup to air dry. GonLei bag is anti-freezing about -50°C/ 45.6°F, but not good for high temperature. MULTI-PURPOSE & EASY TO CLEAN: The size of this sandwich bag is 8.7 x 7.3 inch and Snack Bags is 8.7 x 4.7 inch, perfect container for lunch, vegetables, fruit, cosmetics, jewelry, make-up, stationery, travel and more. Saving our earth by reducing the use of plastic baggies right now. - Tired of Wasting Money on Single Use Bags? - Looking for a Reusable Storage Bag? Our own GonLei Reusable Storage Bags are made 100% from food-grade PEVA (Polyethylene Vinyl Acetate) material which is PVC-FREE, BPA-FREE, Chloride-FREE, and Lead-FREE. This is an ideal substitute for disposable plastic bags. With these bags, home-prepped lunch is not as luxury as before. STORAGE FOR ANY FOOD TYPE - Lunch foods: sandwiches, meal-prep, chicken, fish and meat - Snacks: strawberries, berries, grapes, carrots, chips, cheese, fruit and veggies - Pet Food: dog & cat food on-the-go - For Travel: toiletries, makeups, picnic, camping, etc. - Picnics & Camping Choose GonLei Reusable Sandwich Bag save you money and save the earth. SUPERIOR VALUE SET: 5* Large Reusable Sandwich Bags and 5* Reusable Snack Bags