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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 28 - Jul 3
For Your Every Summer RSVP, with Code: SUMMER15
Description
GSI - Boulder 16 FlaskYour favourite beverage can now go anywhere in the Boulder Flask. Includes graduations for measuring and can take any fall with the sleek bumper flask. Shatter resistant, copolyester resin body and grippy, silicone bumper mean this flask can go anywhere. Wide mouth makes for easy filling, pouring and drinking. Hinged, stay open top with silicone grip is easy to open and impossible to misplace. Convenient molded graduation marks.

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 2327 reviews
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Product Reviews
★★★★★ 5
Works well!
Color: Grey
Works great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
Nice
Size: 30" x 18"
Awesome
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2025
★★★★★ 5
Recomendado
Color: Grey
Exelente!
Fácil de instalar y muy efectivo para el propósito para el cual lo compré.
Recomendado!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 3
Wobbly
Color: Grey
Wobbly and the metal bars keep coming off. Be aware. I’ve tripped over them. Be careful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
Very practical for the price.
Color: Black
Very practical for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
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