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Amazon.com has Alpha Armur Double Wall Vacuum Insulated Water Bottles (various colors ; 12oz to 50oz) Wide / Narrow Swell Flask Mouth from $ 8.99 to $ 24.74.
25% off Coupon Code: SVB5VAKD
Shipping is free for Amazon Prime members/orders over $ 25

12 Oz Narrow Mouth [amazon.com]
Normal Price: $ 11.99
Coupon Price: $ 8.99

16 Oz Narrow Mouth [amazon.com]
Normal Price: $ 13.99