The Pop & Store 1L Square is part of the Addis pop & store collapsible food storage range. The containers save up to 60% space when stored. The containers save up to 60% space when stored. Part of the Addis Pop & Store collapsible fresh food storage container range. Ideal for everyday use ? in the kitchen, for work, school or on holiday.This range comes in all different shapes and sizes and is completely BPA free, as well as fridge, freezer and dishwasher safe.