OKChina via Amazon offers the AmbrellaOK Auto Umbrella in several colors (Navy-Blue Handle pictured) for $19.99. Coupon code "GWJ2H2GT" cuts that price to $12.99. With free shipping for Prime members, that's $7 off and the lowest price we could find, although it was $3 less in June. It features a wind-proof structure, water-resistant material, and automatic open and close. Deal ends August 12.