$19.99
Best suited for
- Trail running (on-the-go hydration)
- Hiking
- Travel
- Ultralight backpacking
Poor fit for
- Long-term water storage (can sweat through over time)
Pros
- Very light at 18.1 g (0.8 oz)
- One-liter capacity (4.2 cups / 32 oz) for immediate feeding/watering
- Collapsible: 6 in (15 cm) diameter open; packs to ~3 x 2 x 1 in
- 210 denier nylon with a 2,000 mm waterproof food-grade finish and 20 mm seam tape
- Folds into its own pocket with a Duraflex snap closure for attachment or stowage
Cons
- Not suitable for long-term water storage — can sweat through if water is stored for extended periods
- Designed primarily for immediate feeding/watering rather than extended storage use
Ruffwear’s lightest bowl weighs 18.1 grams — 0.8 ounces — and still holds a full liter. The numbers, per the manufacturer:
- Capacity: 1 L (32 oz / 4.2 cups)
- Weight: 18.1 g (0.8 oz)
- Open: 6 in (15 cm) diameter; packed: about 3 × 2 × 1 in
- Fabric: 210 denier nylon, 2,000 mm waterproof food-grade finish, 20 mm seam tape
- Stowage: folds into its own pocket with a Duraflex snap
The Amazon listing adds that the packed bowl is small enough to clip to a leash or stash in a pocket, which is the point of the 18 grams: it disappears into a running kit until a creek shows up.
One documented limitation defines where it belongs. The listing states the fabric can sweat through if water sits in it for extended periods, so this is an immediate-use bowl — fill, drink, shake, stow — not a flask. Both Ruffwear and the listing position it for immediate feeding and watering accordingly, and for long water-carrying that boundary is real.
Ruffwear backs the bowl with a limited warranty against defects in materials and workmanship. Specs above are manufacturer and listing data; we have not run with one.
Safety considerations
- Not suitable for long-term water storage; can sweat through over time.
- Ruffwear provides a limited warranty against defects in materials and workmanship.
Verified specifications
- Ruffwear
- Trail Runner Bowl
- 6 in (15 cm) diameter open; packs to ~3 x 2 x 1 in
- 18.1 g (0.8 oz)
- 210 denier nylon, food-grade waterproof coating, seam tape, Duraflex snap closure
- 1 L
Sizing & compatibility
Fit depends on your dog's measurements. Measure girth (the widest part of the ribcage) and consult the manufacturer's size chart before buying — a poor fit can cause chafing or let an escape-prone dog back out of the harness.
Related reading
Sources & research
Read our research methodology and editorial standards →
- Manufacturer Trail Runner Bowl
- Amazon API Trail Runner Collapsible Dog Bowl