Today only, Macy's offers the Goodful 18-oz. Double Wall Thermal Bottle for $28.99. Coupon code "FLASH" cuts that to $11.60. Opt for in-store pickup to avoid the $10.95 shipping charge. That's $17 off and the lowest price we could find. Buy Now Features double wall, vacuum sealed stainless steel body keeps beverages cold for up to 24 hours and hot up to 8 hours BPA-free hand-wash only