This tumbler features double-wall vacuum insulation that protects temperature for hours, making it perfect for keeping drinks hot or cold. It features a press-in straw lid that is snug, secure, and splash-resistant and is made with 18/8 pro-grade stainless steel for durability and no flavor transfer. The price drops from $44.95 to $23.99. Shipping is free for prime members or on orders over $35.