Double size is approx. 20" x 12" x 13" (50cm x 30cm x 33cm at the back and 60cm x 40cm x 30cm at the front), the front bottom panel is approx. 2" or 5cm, internal size of each compartment is approx. 10" long x 12" deep x 10.5" high (25cm x 30cm x 27cm).
Each nest box is built using 6mm and 9 mm Plywood. As these are made from plywood there may be some cosmetic marks on the ply but this doesn't affect the item
Specifications: Constructed from 6mm and 9mm Plywood. Approx. measurements 20" x 12" x 13" (50cm x 30cm x 33cm at the back and 60cm x 40cm x 30cm at the front)
If you have a specific size please message me for a quote!