KRUMMELUR foam mattress for crib, 271/2x52" - IKEA
Ikea Krummelur Review | Cot mattress | CHOICE
IKEA Mattress Reviews UK | 2024
Krummelur | Bedbuyer Review (in 2021) - bedbuyer.com.au
Bought a cot and mattress (Krummelur) from Ikea, but don't know which way is up for the mattress. One side is ribbed and the other is flat, so I assume orientation matters.