A set of moulded panels which can be assembled together to form a storage container for an automated storage and retrieval system, the set of panels comprising a rectangular base panel and four side panels (30, 40, 50, 60), wherein: - the base panel is moulded with a perimeter profile; - each of the side panels (30, 40, 50, 60) is moulded with a lower edge profile (34, 44, 54, 64); - the lower edge profiles (34, 44, 54, 64) of each side panel are slidingly engaged with the perimeter profile during assembly of the storage container; and - each of the side panels (30, 40, 50, 60) are moulded with side edge profiles (36, 46, 56, 66) which are to be slidingly engaged with the side edge profiles (36, 46, 56, 66) of adjacent side panels during assembly of the storage container; - the edge profiles (36, 46) of the first and second side panels (30, 40) comprises protruding elements (37, 47) and where the edge profiles (56, 66) of the third and fourth side panels (50, 60) comprises apertures (57, 67), and where the protruding elements (37, 47) are adapted for insertion into respective apertures (37, 47) during assembly of the storage container; - the edge profiles (36, 46, 56, 66) are slidingly engaged and interlocked with the side edge profiles (36, 46, 56, 66) of adjacent side panels during assembly of the storage container; - the protruding elements (37, 47) comprise deflectable fingers comprising a latch, shaped to be easy to insert into respective apertures and then latched to the apertures to prevent unintentional separation of the protruding elements (37, 47) from the apertures (57, 67); - the perimeter profile comprises a number of wedge-shaped profile elements and the lower edge profiles (34, 44, 54, 64) comprise a corresponding number of complementary wedge-shaped profile elements to transmit load carried by the base panel into the side panels (30, 40, 50, 60); - the external surface of each side panel (30, 40, 50, 60) is provided with an array of moulded ribs (32, 42, 52, 62); - load carried by the base panel is transferred into the side panels (30, 40, 50, 60) and further to the top of the side panels (30, 40, 50, 60 with the help of the array of moulded ribs (32, 42, 52, 62); - the assembled storage container comprises an upper vehicle connection interface (UVCI) for allowing a container handling vehicle to connect to the assembled storage container and hence elevate or lower the storage container. - the base panel is moulded with a perimeter profile; - each of the side panels (30, 40, 50, 60) is moulded with a lower edge profile (34, 44, 54, 64); - the lower edge profiles (34, 44, 54, 64) of each side panel are slidingly engaged with the perimeter profile during assembly of the storage container; and - each of the side panels (30, 40, 50, 60) are moulded with side edge profiles (36, 46, 56, 66) which are to be slidingly engaged with the side edge profiles (36, 46, 56, 66) of adjacent side panels during assembly of the storage container; - the edge profiles (36, 46) of the first and second side panels (30, 40) comprises protruding elements (37, 47) and where the edge profiles (56, 66) of the third and fourth side panels (50, 60) comprises apertures (57, 67), and where the protruding elements (37, 47) are adapted for insertion into respective apertures (37, 47) during assembly of the storage container; - the edge profiles (36, 46, 56, 66) are slidingly engaged and interlocked with the side edge profiles (36, 46, 56, 66) of adjacent side panels during assembly of the storage container; - the protruding elements (37, 47) comprise deflectable fingers comprising a latch, shaped to be easy to insert into respective apertures and then latched to the apertures to prevent unintentional separation of the protruding elements (37, 47) from the apertures (57, 67); - the perimeter profile comprises a number of wedge-shaped profile elements and the lower edge profiles (34, 44, 54, 64) comprise a corresponding number of complementary wedge-shaped profile elements to transmit load carried by the base panel into the side panels (30, 40, 50, 60); - the external surface of each side panel (30, 40, 50, 60) is provided with an array of moulded ribs (32, 42, 52, 62); - load carried by the base panel is transferred into the side panels (30, 40, 50, 60) and further to the top of the side panels (30, 40, 50, 60 with the help of the array of moulded ribs (32, 42, 52, 62); - the assembled storage container comprises an upper vehicle connection interface (UVCI) for allowing a container handling vehicle to connect to the assembled storage container and hence elevate or lower the storage container.