If you need a water bottle big enough to actually hit your daily hydration goal, you're in the right place. Most standard bottles hold 500–750mL — which means 4–6 refills a day just to hit 2.5L. That's friction you don't need.
The Mammoth Mug 2.5L holds 84 oz — enough for most adults to fill once and drink all day. Whether you're at the gym, working long shifts, hiking, or sitting at a desk, one fill covers your goal.
Why Size Matters for Hydration
Daily intake: Adults need 2.5–3.7L per day. A 2.5L bottle = 1 fill + a small top-up.
Less refill friction: Research shows people drink more when they carry larger containers.
Gym + work ready: Large bottles eliminate mid-workout or mid-shift hydration breaks.
What's in This Collection
Mammoth Mug 2.5L — BPA-free Tritan, 84oz, $28.99 CAD — best large non-insulated bottle
Mammoth Woolly 2.5L — double-wall vacuum insulated, 84oz, $77.99 CAD — best large insulated bottle
Frequently Asked Questions
What is the largest water bottle available in Canada?
The Mammoth Mug 2.5L (84oz) is one of the largest everyday water bottles available in Canada. It ships from Canada with no import fees.
Is a 2.5L water bottle too big to carry?
Full, the Mammoth Mug weighs about 5.7 lbs. It fits in backpack side pockets and car cupholders. For lighter carry, the Mammoth Mini 1.5L (50oz) is the portable option.
Are large water bottles BPA-free?
Mammoth Mug and Mammoth Woolly bottles are made from Eastman Tritan and 18/8 stainless steel respectively — both BPA, BPS, EA, and AA-free.