New Duvet Cover Set Full/Double

BESTOUCH Duvet Cover Set 100% Washed Cotton Linen Feel Super Soft Comfortable Chic Lightweight 3 PCs Home Bedding Set Solid Dark Grey Full/Double Purchased in December, but I decided to go with a different color scheme and I missed my return window. The package was opened, but never used. I paid $54.99 and would like to get as close to that as possible.