Amazon has picnic blankets on sale for half off. $24.99-(50%) = $12.49 after coupon Code:
4AAZBOOC
Three sizes are included in the sale:
Standard – 79 X 79" Price: $12.49
Standard – 59 X 53" Price: $8.99
Premium – Machine Washable 60 X 53" Price: $9.99
https://www.amazon.com/dp/B01M0U0KRV