Quick Summary
The HowFly backpack water bottle holder is designed for bottles and tumblers in the stated 8-24 oz range. It attaches to a backpack D-ring with hooks and adjustable Velcro straps, and weighs 1.4 oz (40 g).
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Bottle capacity range | Designed for 8-24 oz bottles and tumblers; capacity alone does not confirm that every shape will fit. |
| Attachment | Reinforced hooks and adjustable Velcro straps attach to a backpack D-ring. |
| Material | Nylon fabric. |
| Weight | 1.4 oz (40 g). |
Compatibility, Size and Fit
Check your bottle’s capacity and shape against the holder. The stated range is 8-24 oz, but bottle dimensions are not provided. Also check that your backpack has a D-ring for the described hook-and-strap attachment.
What to Compare Before Buying
- Confirm the bottle is within the stated 8-24 oz range, then consider its shape and dimensions.
- Check for a backpack D-ring and whether the hook and adjustable Velcro straps suit the attachment point.
- Consider the listed 1.4 oz (40 g) weight if pack weight matters to your choice.
Before You Decide
Check bottle fit by shape as well as capacity, and confirm your backpack has a suitable D-ring. The source describes the fabric as adding a layer against scrapes, dents, and minor impacts, but does not provide a protection rating.










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