Target offers the Room Essentials Light Blocking Curtain Panel in Navy Wave for $9.99. Coupon code "MOMSDAY" cuts that to $8.99. Opt for in-store pickup to avoid the $4 shipping charge. That's tied with our February mention, a buck off, and the lowest price we could find. They're available in sizes 42" x 63" and 42" x 84". Deal ends May 7.