HIGHLY RECOMMENDED: A Removable Duvet Cover is Highly Recommended when using a weighted blanket. Not only to protect your weighed blanket for easy cleaning, but also bring you more comfort with this cozy cover. SUPER SOFT: The removable duvet cover is made of super soft minky fabric, skin-friendly grade. You will surely love the feeling.It would make your weighted blanket more comfortable. SUITABLE SIZE: This duvet cover specially designed for 48×72 sized weighted blanket. There are 12 ties inside to tie your weighted blanket. PLEASE CHOOSE A RIGHT SIZE BASED ON YOUR WEIGHTED BLANKET’S SIZE. We suggest you buy our weighted blanket inner layer and its duvet cover together, so that they can match perfect. Zipper closure makes the duvet cover easy to remove & replace for cleaning. CARE INSTRUCTIONS: Duvet Cover is machine-washable on a low, gentle setting, air dry.