?Material safety? BPA-free, the containers are made of 100% PP and food grade silicone: non-toxic, environmentally friendly. Smooth surface from the inside to avoid grease and very easy to clean. ? Includes three small containers? round: 12 x 6.5 cm x 6.5 cm; rectangular: 13.2 x 9.7 x 6.3 cm. ?Ideal food storage? Perfect for indoor food storage, outdoor activities, like working, camping, hiking, traveling and more. Easy to assemble and carry, it is the best lunch partner for children, but also ideal for adults to develop healthy eating habits and the ideal choice as a gift. ?Folding design ? Allows for easy storage, folds into 1/3 of its original size for simple and compact storage, saving you over 60% space. Safe material: 100% food grade silicone without BPA, non-toxic, tasteless. Can be used at temperatures of -40ḞC (-40ḞC ~ 230ḞC). Microwave and refrigerator safe. Note: the oven is not available