Overview★ FOOD GRADE MATERIAL - This reusable silicone food storage bag made of food grade silicon , approved by FDA & SGS , no fillers , coating , BPA , BPS , BPF , PVC , Phthalates or any the chemicals which can be dangerous to your health after they migrate into the food. | ★ ECONOMIC - Package included silicone food storage bags (Capacity: 4 cups/1 Liter/ 30oz; Size: 7" X8") preservation storage bags , durable and reusable , save money , provide you healthy life style. Only pure silicone is safe , healthy , eco-friendly , non-allergenic , non-reactive , hygienic , not toxic to environment , recyclable , possess long lifespan up to 10 years. | ★ LEAKPROOF - Designed with Airtight seal , Leakproof vacuum and zip-locked container that can store all kinds of solids and liquids without spilling. Hermetic seal to store liquids or solids. (NOTE: When you start to use it for first several times , the lock for the bag may a little tight seal,that's for a special purpose to make the best effect of preservation.) | ★ MULTIFUNCTIONAL - Excellent heat and cold resistant , temperature resistant range: -50℃~+250℃ , can be boiled and used in microwave oven , refrigerator , toaster , freezer , dishwasher safe , available in kitchen and outdoors for carrying. | ★ Uses: vegetables , fruits , fish , meat , juice can be stored , different colors can be used as a classification , sealed not odor.