Pet product development differs from ordinary consumer product development in one structural way: you are designing for two users with opposite priorities. The animal interacts with the product physically and has no interest in your instructions; the owner pays, installs, cleans, and judges. A product that delights the owner but the dog refuses to use, or that the cat loves but the owner cannot clean, fails commercially either way. Everything else — materials, durability, sealing, electronics — follows from taking both users seriously from the start.
Define both audiences before you design anything
Write down two separate requirement sets.
The animal. Species, size and weight range, jaw strength, claw behavior, whether it chews compulsively, how it approaches novelty, how sensitive it is to sound and vibration, and how it will actually try to defeat the product. Animals are relentless mechanical testers. A latch that a human opens deliberately, a dog opens by leaning on it repeatedly for an hour. Behavior varies enormously by breed and individual, so the honest approach is to design for the aggressive end of the range, not the average.
The owner. How the product is set up, filled, emptied, cleaned, stored, and repaired. Whether it fits their home aesthetically — pet products live in kitchens and living rooms, so they compete visually with furniture, not with tools. Whether cleaning takes thirty seconds or five minutes, because that single number decides whether the product stays in use after month two. What they are actually anxious about: the pet's health, being away from home, mess, and noise.
Owner-side motivations sell the product, and animal-side performance keeps it from being returned. Test both with real animals in real homes early, using the demand-testing logic in how to validate a product idea before committing to tooling.
Safety and materials: the first hard constraint
Animals chew, swallow, and lick. That makes material selection a safety decision rather than a cost decision.
- No small detachable parts. Anything that can come loose is an ingestion and choking hazard. Design for no failure mode that produces a swallowable fragment, including after months of chewing.
- Chew-safe polymers. Materials that do not splinter into sharp shards, do not fracture into fragments, and do not contain plasticizers or additives you would not want ingested. Natural rubber and certain thermoplastic elastomers are common for chew contact; rigid brittle plastics are a poor choice anywhere an animal's mouth reaches.
- Food-contact grades where food and water touch. Bowls, reservoirs, and feeder paths should use materials appropriate for food contact — the same considerations as in food-grade plastics for products.
- No pinch, shear, or entrapment points. Moving lids, doors, and flaps need force limits and clearance geometry so a paw, tail, or head cannot be trapped or injured.
- Cords and cables are a hazard. A chewed power cord is both an electrical risk and a common product failure. Route cables out of reach, use armored or metal-braided sleeving, and prefer low-voltage external supplies over mains voltage inside a chewable enclosure.
- Chemical and coating choices. Paints, coatings, adhesives, and colorants all end up in an animal's mouth eventually. Prefer molded-in color and mechanical joints over sprayed finishes and solvent adhesives.
Pet products are not regulated in the US the way children's products are, but that is not a reason for lower standards — it is a reason to set your own. Retailers and marketplaces impose their own testing requirements, product liability exposure is real, and a single injury story ends a brand. Borrowing the discipline used for juvenile products is the right instinct; see children's product development and CPSIA for the model, and plan a test program along the lines of product safety testing requirements. Products making health, therapeutic, or nutritional claims enter a different regulatory conversation and need specialist advice.
Durability, cleanability, and sealing
Three physical requirements do most of the work in this category.
Durability means surviving abuse that is qualitatively different from human use: sustained chewing, clawing, being knocked off surfaces, dragged, stood on, and left outdoors. Design tests to match — repeated drop, sustained bite force, claw abrasion, UV exposure for outdoor use, and a fatigue cycle count for any moving feature well beyond what a human-use product would need.
Cleanability is the most underrated requirement in the entire category. Pet products get covered in hair, saliva, food residue, litter, and worse. That means: no blind pockets or narrow gaps where residue collects, generous internal radii instead of sharp corners, disassembly without tools into a small number of pieces, and where possible dishwasher-safe parts. Materials must also survive repeated hot water and detergent, which rules out some finishes and some adhesives outright.
Sealing matters because liquids and hair are everywhere. Any electronics need protection against splashing, spills, and being knocked into a water bowl; anything used outdoors needs weather protection. Pick a target from IP ratings explained and design the enclosure to it from the start, including a hair strategy for fans and vents, since fur clogs airflow paths remarkably fast.
When there is electronics inside
Connected pet products — cameras, automatic feeders, litter systems, trackers, treat dispensers, activity monitors — add a full electronics and software program on top of the mechanical one. A few things specific to this category:
- Reliability expectations are high because the owner may be away. A feeder that fails while the owner is on vacation is a serious failure, so mechanisms need jam detection, a fail-safe state, and a notification path.
- Battery-powered wearables must be small, light, sealed, and safe to chew. That combination is genuinely difficult and drives the whole design.
- The app is part of the product, and often the reason for the price premium. Budget it as a product line, not an add-on — costs are laid out in mobile app development cost.
- Motors and mechanisms will be loud unless designed otherwise, and noise frightens animals into avoiding the product. Acoustic design is a functional requirement here.
- Recurring cloud costs for video and data need a business model that supports them.
From prototype to a first production run
The sequence is the standard one described in the product development process, with pet-specific emphasis: build rough functional prototypes and put them in front of real animals early, because animal behavior is the least predictable variable and no amount of engineering judgment substitutes for watching a dog ignore your product. Run a home trial with a range of breeds and sizes before tooling. Then follow the normal path of design for manufacturing, tooling, and pilot production.
Commercially, this category is unusually accessible: owners spend willingly, marketplaces are receptive, and a well-made single-product brand can reach customers directly without retail distribution. The corollary is that it is crowded and easy to copy, so differentiation needs to be real — a genuine mechanism, a genuine insight into animal behavior, or a genuine quality gap — not just a new color and a better photograph.
Projects House develops pet products from concept through mechanics, electronics, and manufacturing handoff, with the animal's abuse and the owner's cleaning routine treated as hard requirements. Describe your product idea through our contact form and we will map out what it takes.