UPDATED: Today, 5/31/18 only, 10-foot Indoor/Outdoor Portable Movie Screen for $14.39 on Amazon

UPDATE:  Unfortunately, the vendor expired the promo code early, BUT there is still a way to get this 10-foot movie screen for $14.39 (40% off).  On the item page, you'll see where it says "40% off 1 item(s)."  See the image below to find the offer. Just click the "Redeem" button and 40% will drop off your price on the final screen, reducing the price to $14.39 with free Prime shipping.  This 40% off promotion is good today, 5/31/18 only!

(FYI, for a nice deal on a projector, check this one out.)

Amazon has got this Excelvan Indoor/Outdoor Portable 120" Movie Screen priced at $23.99, but enter promo code 8WUFNTE at checkout and that price drops to an unbelievable $9.60 with free Prime shipping.  It got 3.7 out of 5 stars over 705 customer reviews and is an Amazon #1 Best Seller.