Free shipping on all U.S. orders · Delivery details at checkout
30-day free returns · Full refund on unused items




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We proudly offer free shipping on all orders across the United States. Every item in our store is delivered with no additional shipping cost.
When you place an order, estimated delivery times are provided based on product availability and your location. Shipping details will be shown at checkout so you know exactly when to expect your pet essentials.
Please note that delivery times may vary depending on your region and carrier availability. While all orders ship free, we work with trusted logistics partners to ensure reliable and timely delivery for pet owners across the U.S.
30-day free returns. Return unused items in their original condition and packaging within 30 days of delivery for a full refund.
Return shipping is free. Email petlywox@gmail.com with your order number and we send you a prepaid return label. Damaged, defective or incorrect items are also returned free of charge.
Once your return is received and inspected, your refund is issued to the original payment method within 10 business days. Opened consumables, used grooming or hygiene items, custom products, sale items and gift cards are not returnable unless they arrived damaged, defective or incorrect. See our Refund Policy.
Please note that deliveries to certain remote or outlying areas may experience slight delays during busy periods or due to weather conditions. These delays are temporary and may vary depending on the location and carrier operations. We appreciate your understanding and patience.
The ThunderShirt for Dogs in small, Heather Gray uses a patented pressure wrap that distributes gentle, constant pressure around your dog’s torso. Many pet parents describe the sensation as a reassuring hug, which may help ease anxious feelings triggered by daily life, travel, or new environments. The design prioritizes comfort with breathable fabric and a lightweight build, so your dog can wear it during activities or quiet moments alike.
In a 2022 survey, over 85% of pet parents reported improvement in their dogs’ signs of stress when using ThunderShirt. While outcomes vary by dog and situation, many owners notice calmer behavior during fireworks, thunderstorms, vet visits, and separation moments. ThunderShirt is designed to be easy to use, non-drug, and suitable for rescue dogs or nervous pups who prefer a gentle, contact-based approach.
To use, fit the wrap around the dog’s torso and fasten the straps to apply a gentle, even pressure. The vest is light, breathable, and suitable for year-round wear. For care, machine wash on cold and air dry. If you enjoy a broader calming routine, ThunderShirt complements other ThunderWorks products like ThunderEase Spray and ThunderWunders Chews.
We stand behind ThunderShirt with a 60-day satisfaction guarantee. If you’re not completely satisfied, return within the stated window for a refund of the purchase price. This combination of comfort, ease, and proven design aims to help you explore calmer moments together with your canine companion.
Q: Is ThunderShirt easy to use?
A: Yes—just fasten the adjustable straps around your dog's neck and torso to apply gentle, calming pressure.
Q: Can ThunderShirt help my rescue dog during loud events?
A: Many owners report improvements in stressful situations; it is drug-free, machine washable, and results vary by dog.
Full details: Shipping Policy · Refund Policy. Questions? Email petlywox@gmail.com.
Check the exact measurements and package contents before ordering. Read U.S. delivery details and return conditions. For a product question, email petlywox@gmail.com.
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