The Coleby Classic Cot Bed measures approximately 27 inches from the Wooden Base to the Top of the Side Rail. When the Mattress is added in, it is approximately 23 inches from top of Mattress to Top of the Side Rail (the mattress measures at 10cms depth/3.94 inches approx).

The additional measurements for each level are as follows: 

- Lowest Level to Top of Rail: 27 Inches approx. 

- Middle level to Top of Rail: 21 Inches approx. 

- Top level to Top of Rail: 15 Inches approx. 

There is approx. 6 inches difference between each layer when the Base is moved.