The TK Wide now comes in two brand new designs and with the leakproof twist cap closure and built in straw which is perfect for anyone looking for both, a leakproof closure and a reusable straw.  The 355ml TKWide keeps drinks hotter or colder than ever before thanks to Klean Kanteen's revolutionary TK Closure™ internal thread design and Climate Lock™ double-wall vacuum insulation. Comes with leakproof Twist Cap with built-in reusable steel straw (fits 355ml size).  Features: TK Closure internal thread design featured on bottles pairs with TKWide caps to increase thermal performance Climate Lock double-wall vacuum insulation keeps contents iced for up to 38 hours Chip-resistant Klean Coat matte finish 18/8 food-grade stainless steel BPA free Handwash only Won’t retain or impart flavours Wide opening fits ice, fills and pours easily Comes with leakproof Twist Cap 355ml (12 US fl oz) Heart Stripe and Electric Camo