Use old towels to make this huge beach blanket. Add a vinyl tablecloth to the back: blocks sand, doubles as tablecloth. Road trip must-have. To be able to machine wash the blanket, I would use Velcro to attach the tablecloth to the towel/blanket.
X - Sherri Cassara Designs: Newland Barn Wedding. This might be a good idea. Get some cheap blankets in the early spring. I don't think it'll get that cold at night but I want people to be comfortable.
Ready for Summer? Make a Simple Cover-Up From Beach Towels