Made of food grade silicone and eco-friendly material, it is BPA-free, non-toxic, tasteless and safe to use.

Fully retractable to 1/3 of the original size when not in use, and all can stack on top of each other.

It is not easy to warp or melt, and it can be used in the refrigerator, the microwave, the dishwasher.

Clip-on locking lid for safe food sealing and with air valve on the lid as a vent option when used in the microwave.

Easy to clean, lightweight, portable. Perfect for storing food, perfect for storing leftovers, food, soup, fruit, snacks, nuts, frozen dinners, lunch, sushi, easy to wear at the office, business activities. outdoors, traveling, going to the office, school, gym.camping, hiking, picnicking, etc.