Get this Mainstays Stripe Outdoor Blanket with Water Repellent Treatment for $9.97 at Walmart.com. Shipping adds $5.99, or it's free when you pick it up in your local store, which is free and available at many locations. Even with shipping, this is the lowest price we could find by $3 based on anything comparable. It measures 60" x 70", is water-repellent, and folds up into a zippered carrying pouch. Sales tax is charged in most states.