Does Essential mattress fit for IKEA bedframe?

Result from our testing shows that the Essential mattress fits for the following IKEA bedframe:

Ecosa Long Single（91 x 189 cm）fits for IKEA Single bed frame

Ecosa Twin（122 x 183 cm）fits for IKEA Small Double bed frame

Ecosa Long Double（135 x 189 cm）fits for IKEA Double bed frame