The classic Klean Kanteen wide-mouth bottle with an internally threaded cap for greater thermal performance. Stainless steel with a chip-resistant finish stands up to the rigours of daily life. Made of food-grade 18/8 stainless steel that doesn't impart any flavours and is easy to clean. Double-walled vacuum-insulated keeps drinks warm for up to 17 hours and cool for up to 58 hours. Klean Coat finish is resistant to chipping and daily wear and tear. Internally threaded TK Closure design. Sip-through Cafe Cap has a swivel loop for easy carrying.