Spotted this curtain panel in-store and had to share! I love the subtle stripe design and the fabric is thick and looks high-end. They also come in a black, navy and brown stripe too and each panel is $20.98. I’ve linked them below if you wanna check local stock and purchase for pickup. 

Better Homes & Gardens, Stripe Blackout Curtain Panel, Grey Flannel, 54'' x 84'', 1 Piece