What size of sheet for mattress 120 x 60

[VioIetMoon]

Apologies for this dumb question. Were moving DS from his next to me into a cot. The mattress measures 120 x 60 .
Should I go for 120 x 60 sheet or should I opt for a slightly larger size to fit properly? I think next size up is 140 x 70

Go for the cot sheet size (120x60) for a proper fit. You can use the larger (cot bed, 140x70) size but it would mean tucking a bit in over the edge which would not be my preference with a small baby.

Get the 120x60 sheet, it fits as it’s supposed to. 140x70 on that mattress is annoyingly saggy, like putting a double sheet on a single!

Definitely 120x60. Safe sleep guidelines say that the sheet needs to be tucked in neatly with no hanging parts.