The unique design of these food storage containers means the bases nest neatly inside each other while the lids clip conveniently together for efficient, space-saving storage. Space-saving, nesting design Easy-find, snap-together lids and colour-coded bases Airtight, leakproof and stackable lids Freezer, microwave and dishwasher safe (top rack only) Lids & containers - dishwasher safe (top rack only) Microwave safe (for reheating purposes only) Before using in a microwave, remove lid and place loosely on top of container - do not close lid - use caution when removing container from microwave as it may become hot during heating To prevent stains, pitting or other problems associated with high temperatures, avoid overheating foods high in oil, fat, sugar or strong colourants, such as tomato Not suitable for use in ovens or under grills BPA free