What Size Slow Feeder Does My Dog Need? A Simple Size Guide

Small and medium dogs do well with the Puzzle Feeder Junior. The Puzzle Feeder Wave works for dogs of any size, so it is the safe pick if yours is between sizes. Large and XL dogs can use the Wave, and a Tumbler XL makes a good add-on for treats and rolling fun.

That is the short version. Here is the longer one, so you can pick with confidence instead of guessing from a photo.

How do I pick a slow feeder size?

Most slow feeders are sold by dog size, not by exact weight, and ours are the same. Each product on our site is labeled for the dogs it suits (small and medium, most dogs, or all breeds). We do not list weight ranges, so think about it in plain terms: your dog should be able to reach every part of the maze comfortably, without their whole face being squeezed into a gap.

A bowl that is too deep for a small dog can be frustrating, which is why the Junior has a shallower maze. A bowl that is too shallow for a big dog may not slow dinner down much, which is why larger dogs usually start with the Wave.

Slow feeder size guide at a glance

What if my dog is between sizes?

Start with the Puzzle Feeder Wave. It is made for all breeds, holds 6 cups, and comes apart into 3 parts with 4 feeding modes. That last bit matters more than size: when your dog learns one setup, you switch to a harder one, so the bowl keeps up with a clever dog.

If your dog is small and you want the gentlest start, the Puzzle Feeder Junior is the one to look at.

Does size change how slow dinner gets?

Size is about fit. What slows dinner down is the maze. Here is what owners wrote on our product pages:

• On the Wave: “it slows my lab down so he takes about 10-12 minutes to fully eat.” (Heather R.)
• On the Wave: “This one is amazing, and takes her about 15 minutes to finish, which is incredible.” (Julie D.)
• On the Junior: “This one took him 13 minutes! Highly recommend!” (Shelby A.)

Every dog is different, so your own times will vary. Time a normal dinner first, then time it again with the new bowl.

Which bowl for kibble, wet food or raw?

• Kibble: Wave, Junior or Swirl.
• Wet food: Wave, Junior, Swirl, or a lick bowl if the food is soft and sticky.
• Raw: the Wave is listed for kibble, wet and raw.
• Treats and toppings: a Tumbler XL for large dogs or a Tumbler M for small and medium dogs.

How to choose in 4 steps

1. Decide who it is for: small and medium dogs, or a bigger dog.
2. Match the food: dry, wet, mixed or raw.
3. Pick the maze: shallow (Junior), one-piece spiral (Swirl) or adjustable (Wave).
4. Time dinner before and after, and switch modes when your dog gets quick again.

FAQ

Is the Wave too big for a small dog?

The Wave is labeled for all breeds. A small dog may find the Junior's shallower maze easier to start with. If you are unsure, our buying guide below can help, and we offer 30-day returns.

My puppy will grow into a big dog. Which size should I buy?

If you expect a large adult dog, the Wave is the better long-term pick. For a small or medium breed, the Junior fits from the start.

Do slow feeders work for flat-faced dogs?

It depends on the dog and the maze. We wrote a separate guide on slow feeder bowls for flat-faced dogs.

How do I clean it?

The Wave and Junior are top-rack dishwasher safe. Take the parts apart first, or hand wash with warm, soapy water.

What if I pick the wrong size?

Contact us within 30 days of delivery for a full refund.

If your dog gags, coughs or vomits after eating, ask your vet.

Ready to pick one?

Use code PZFDNEW10 for 10% off the Shop All collection. Free US shipping on orders of $40 or more. Still not sure? Our short quiz-style buying guide matches a bowl to your dog: Which Puzzle Feeder is right for my dog?