Jun 15 1977 Walmart: Intex Twin Waterproof Vinyl Airbed Mattress Only $6 + Free In-store Pickup Posted on June 15, 1977 by DealFinder Rating: 0 Posted By: MISTERCHEAP Views: 449 Replies: 1 http://www.walmart.com/ip/Intex-Twin-Waterproof-Vinyl-Airbed-Mat… Bedding Deals Walmart Coupons Fatwallet.com Hot Deals