We use these food grade crates for all our honey harvesting, and can be irradiated without the plastic degrading, they come with a lid.
The 52 Litre holds 10 full depth frames (just)
External Dimensions: 645mm L x 413mm W x 276mm H
Internal Dimensions: 597mm L x 362mm W x 266mm H
The 32 Litre holds 10 ideal frames (just)
External Dimensions: 645 mm x 413 mm x 210 mm H
Internal Dimensions: 597 mm x 362 mm x 203 mm H