Amazon has a great deal on this Klean Kanteen Wide Mouth Bottle for only $13.05 (Reg $20.95) with Prime Shipping. Or you can choose from a variety of other styles and colors from $11.05 and up. It features a leak-proof design with handy attachment loop top.
If you are not already a Prime Member you can join with a 30-day free trial of Prime, as a student with Prime Student, or as part of Amazon Family.
Please note that Amazon prices are subject to change at any time and may have increased or decreased since this offer was posted.