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Orders over $99 Ship Free + Free In-Store Pickup

Gnawt-a-Rock Toy

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Color: Metolious Blue

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Resilient, Natural Rubber Throw Toy

It looks like a piece of Obsidian from our nearby lava flows, but it’s Gnawt-a-Rock™! This durable throw toy is inspired by natural volcanic glass formed by rapidly cooling lava from Pacific Northwest volcanoes. Unlike Obsidian, the Gnawt-a-Rock is made with natural latex rubber, with a faceted, gum-massaging surface. Its irregular shape creates an erratic bounce, and it has a treat-dispensing design for interactive play and reward.

Part of the Pacific Gnaw-west toy collection inspired by Ruffwear’s home of Bend, Oregon, and its natural surroundings.

Diameter: 4.5 (in), 11.5 (cm), Holds up to 2 cups of kibble.

Our toys are designed to be interactive – it's just more fun that way. While our toys suit a range of play styles, dogs can be crafty and determined chewers, so supervised play is recommended. If any part of the toy becomes loose or detached, take the toy away and discard.



Internal chamber dispenses up to 2 cups of kibble or small training treats.


Made from natural latex rubber, a renewable resource.


Durable, chew-resistant.

  • Erratic bounce for engaging fetch
  • Durable, chew-resistant
  • Size suitable for large-mouthed dogs
  • Made from natural latex rubber, a renewable resource
  • Internal chamber dispenses kibble or small treats

Materials & Care

  • Materials
    • Natural latex rubber
    • Made in Vietnam
  • Care
    • Top rack dishwasher safe
    • Dish soap
    • Air dry