FOOD GRADE MATERIAL - This reusable silicone food storage bag made of food grade silicon, 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.
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.
ECONOMIC - Package included 4 set and different color 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, repels germs and chemicals, not toxic to environment, recyclable, possess long lifespan up to 30 years.