Double Walled with insulated inner stainless steel wall Twist Lock with food safe quality that keeps food fresh and hot for a longer period of time Comes in set of 3 1 500ml 1 1000ml and 1 1500ml to ensure your complete meal is served hot Dishwasher Safe Easy to store and carry around It is ideal for its twist lock and firm grip to carry meals for outdoor picnic Air Tight PET Containers are made from US FDA APPROVED GRADE Polyethylene terephthalate PET free from any kind of odour 100 Food Grade BPA Free Canisters This air tight is free from BPA Bisphenol A which causes health hazards when it comes in contact with food liquids Ensuring a healthier lifestyle using Bisphenol A free ProductsMicrowave Safe 300 ml 69 x 96 cm 600 ml 91 x 116 cm 1200 ml 10 x 148 cm Air Tight Seal The Checkers Containers have an air tight seal that completely locks the Crisp flavour of the contents you put in as does not lose moisture The taste and nutritive value of the contents remains intact for a long time making the containers very appropriate for storing dry food pulses and spices Easy to open lid The Containers have swift easy to operate lid