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🔥 Elevate your trail game with the Boulder Flask — sip smart, adventure harder!
The GSI Outdoors Boulder Flask is a durable, 10-ounce BPA-free flask crafted from shatterproof copolyester resin with a non-slip silicone bumper. Its wide mouth and hinged silicone cap provide easy pouring and secure access, while molded gradient marks help you monitor liquid levels. Designed for outdoor enthusiasts who demand reliability and convenience on every adventure.










| ASIN | B07YVL3MYG |
| Amazon Bestseller | #279,096 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #200 in Drinking Flasks |
| Brand Name | GSI Outdoors |
| Color | orange |
| Customer Reviews | 4.4 4.4 out of 5 stars (146) |
| Finish Types | Polished |
| Global Trade Identification Number | 00090497793479 |
| Included Components | GSI Outdoors 79347 Boulder Flask, 10 oz, Orange |
| Item Type Name | GSI Outdoors 79347 Boulder Flask, 10 oz, Orange |
| Item Weight | 0.26 Pounds |
| Manufacturer | GSI Outdoors |
| Manufacturer Part Number | 79347 |
| Material Type | Plastic |
| Model Name | 79347 |
| Model Number | 79347 |
| Shape | Rectangular |
| UPC | 090497793479 |
| Unit Count | 1.0 Count |
| Volume | 10 Fluid Ounces |
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