1, luxury hotel down mattress pad 2, 100% cotton fabric outshell, 5% duck down insert ... good quality,home feeling Products description Luxury hotel down mattress pad AT-Mattress protector 1 outshell100% cotton,40*40s,133* ... fabric is “breathless”, it can be quite uncomfortable to sleep under, especially in hot summer. 5. How about the shrinkage? ... right size to fit well. Luxury hotel down mattress pad