6-piece multi-sized set Made of BPA-free, 100% food-grade silicone Leakproof, stretchable, and air-tight that keeps the food fresh Perfect for covering half-cut fruits, vegetables, dishes, etc Can be stretched to different sizes Can be used in microwave and refrigerator 6-piece multi-sized set Made of BPA-free, 100% food-grade silicone Leakproof, stretchable, and air-tight that keeps the food fresh Perfect for covering half-cut fruits, vegetables, dishes, etc Can be stretched to different sizes Can be used in microwave and refrigerator