The European mattress size is commonly bought for an Ikea or continental sized bed base. To check you’ve ordered the correct sized mattress or protector, please measure your current mattress or bed base to be sure.
European double mattress 140cm x 200cm
UK double mattress  135cm x 190cm
European king size mattress 160cm x 200cm
UK king mattress 150cm x 200cm.
Unfortunately we cannot offer free returns in cases where an incorrect sized mattress has been ordered and unboxed, as this is not covered under our home trial policy.