Review on Knlpruhk 100% Jersey Cotton 190GSM Thickest Ultra Soft And Stretchy Waterproof Bassinet Sheet Set 2 Pack For Baby Girl Boy Cute Elephant, Lion, Tiger, Giraffe - No Need For Mattress Pad Cover. by Trey Crosland

Bought these because my son was spitting up in his pack n play occasionally and it was difficult to clean (not to mention left a stain.) These are great because you can swap it out as needed. Wash them right away because you can't use the dryer and it takes a day to dry (fairly dry by evening if you wash in the morning but better to leave overnight.) Might take longer to dry if your washing machine spin cycle isn't very good or if you hand wash. The fit on the pack n play is pretty good. Make sure you get the corners aligned correctly and then fold in the sides underneath - then it lies flat without any extra material.