These sheets feel really nice and when washed are pretty nice without wrinkles. However, they DO NOT stay on the mattress. I bought 2 sets (i King & 1 Queen) and neither set worked as advertised. Loved the taupe color but unfortunately, I will not be purchasing these again.they do not stay tite on an ergo bed, but are very soft and comfortable. i have to pull the bpttom sheet back on every morning and this is why i bought them. i guess they need stronger bed tite ends,We bought the sheets to try them out before buying some for my mother. After washing them three times, we keep getting little balls of material from the sheets. I plan to return them.Save your moneyThese are terrible. They don’t grip my king size bed at all. Every time I get out of bed they’re halfway on the floor on my side. By day two they’re completely pulled up on the other side. I would not recommend them at all