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.
10 best mattresses for toddlers and young children, starting from just £36
IKEA Cot Set Smagora Baby cot, white 60x120 cm KRUMMELUR Foam mattress 60x120x8cm Fitted sheet for cot, dotted, moon, 2pcs set Full... | Instagram