Key takeaways
- Format: Text-only founder letter with an expert signature.
- Best for: Founder-led and expert-backed pet food brands.
- Hook: Industrial kibble failed. Discover Felis.
- Reuse it: Write a short signed letter explaining your 'why'.
Available sizes
What is a testimonial ad?
A testimonial ad uses a real customer's words, such as a review, quote or comment, as the main message. It answers a buyer's doubts with social proof rather than brand claims, and works especially well when the testimonial is specific about who the customer is and what changed for them.
See all testimonial ads →Why this testimonial ad works
- 01
Bold opening claim
'Industrial kibble failed' is provocative and stops the scroll.
- 02
Expert signature
A DVM, PhD co-founder adds serious credibility.
- 03
Letter format
A framed, signed card feels personal and different from typical ads.
- 04
Clear 'why'
The letter explains the problem, the solution and the result in three paragraphs.
Full creative breakdown
Who this ad targets
Cat owners aged 30–60 who read about pet nutrition, question processed food and value expert opinion. They are willing to read longer content if it's credible, and they respond to vet-led brands with a clear philosophy. Owners of cats with coat or energy issues and those interested in species-appropriate diets are key. They stay loyal once they find something that works and happily recommend it to friends.
Copywriting analysis
The headline is bold and confrontational, which works for attention but may feel aggressive to kibble feeders. The letter is well structured: problem, solution and promise. Bold phrases help skimmers. However, the text is long for a social ad, and claims that kibble 'destroys real nutrition' are sweeping and should be softened. The '(C) 2024' date may look outdated, and 'Felis' is close to existing cat food brand names. Testing one or two alternative headlines would help find the strongest angle.
Visual design
Warm cream and off-white with a thin gold frame create an elegant, stationery-like feel. The serif headline adds authority, while the sans-serif body keeps it readable. The handwritten signature and green logo add a personal, premium touch. There are no images, which makes it stand out in a photo-heavy feed but may reduce emotional appeal. Nothing feels cluttered, which helps the key message land quickly.
How to adapt this template for your brand
- Write a bold, one-line headline stating your position.
- Explain the problem, your solution and the result in three short paragraphs.
- Bold the key product phrase.
- Sign it with the founder's name and credentials.
- Frame it as a card on a soft background.
Tips for pets ads on Meta
Founder letters work on Meta and Instagram, especially as the first card of a carousel followed by food and cat photos. For Stories, split the letter across several frames. Shorten the text for mobile, soften sweeping claims about kibble and update the copyright year. Check that the Felis name doesn't conflict with existing brands. Track click-through and cost per purchase to judge whether the angle is working.
About this creative
A warm cream background with a slightly raised, off-white card framed by a thin gold border. At the top, a bold black serif headline reads: industrial kibble failed, discover Felis. Three short paragraphs follow in dark sans-serif text. The first says kibble production often uses extreme heat that destroys real nutrition and replaces it with synthetic add-ins. The second introduces Felis as lightly cooked, whole-food recipes with organ and muscle meat, formulated for natural carnivores and gently slow-cooked, with 'lightly cooked, whole-food recipes' in bold. The third promises brighter coats, better energy and a deeper connection. At the bottom left, a dark green cat-silhouette logo sits beside a green handwritten-style signature for Dr. Evelyn Reed, credited as DVM, PhD in nutritional sciences and co-founder. At the bottom right, small text reads '(C) 2024 Felis Whole Feline Nutrition'. There are no images of cats or food.
Meta ad · 1200 × 1200 · Pets
Vet Founder Letter Fresh Cat Food Ad
This text-led ad for Felis is styled as a signed letter from a vet co-founder, explaining what's wrong with industrial kibble and introducing lightly cooked, whole-food cat recipes. Use it as a template for founder-led brands with a strong point of view and expert credentials.
Added
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Details
Ad copy
Primary text
Industrial kibble failed our cats. Felis is our answer: lightly cooked, whole-food recipes packed with real organ and muscle meat, formulated for natural carnivores. Brighter coats, better energy and a deeper connection – the way nature intended them to eat.
Description
Lightly cooked whole-food cat recipes
On-image text
Industrial Kibble Failed. Discover Felis. | Kibble production is often a process of extreme heat, destroying real nutrition and replacing it with synthetic add-ins… | Felis is our answer: lightly cooked, whole-food recipes, packed with real organ and muscle meat… | Experience the real effect of food made with integrity… | Dr. Evelyn Reed – DVM, PhD – Nutritional Sciences & Co-Founder | (C) 2024 Felis Whole Feline Nutrition
Headline ideas for this template
- 1A Letter from Our Vet Founder
- 2Why We Left Kibble Behind
- 3Food the Way Nature Intended
- 4Discover Felis Whole Feline Nutrition
- 5Real Meat, Lightly Cooked
Meta image ad specs
| Placement | Ratio | Size (px) |
|---|---|---|
| Feed | 1:1 or 4:5 | 1080×1080 / 1080×1350 |
| Marketplace | 1:1 | 1200×1200 |
| Messenger inbox | 1:1 | 1200×1200 |
| Stories & Reels | 9:16 | 1080×1920 |
This template is 1:1. Request 4:5 or 9:16 to cover all placements.
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