The food containers are made of food grade PP. The cover is sealed with silicone band. This silicone band is available with assorted colors.They are good for you storage food and put in your refrigerator. The containers are available in a set of 4pcs. But you can order individual size as you like.Here is the individual size:

• 13.1 x 9.8 x 4.9cm
• 16 x 12 x 6.2cm
• 19.3 x 14.3 x 7.8cm
• 23 x 16.5 x 9cm