asobu 8-Ounce Skinny Mini Ultimate Lady Flask (Black) - 8 fl oz (236.6 mL) - Vacuum - Black, Gray

100% leakproof and BPA-free Detachable, easy-to-carry lid strap Durable 18/8 stainless steel body Fashionable design Slim and compact, fits in pocket or purse Black Copper vacuum insulation keeps beverage cold up to 8 hours, hot up to 4 hours Reusable & avoids disposables - designed to be used repeatedly, helping you avoid single-use disposables and potentially save money.