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 XX Large uses a patented wrap that gently circles your dog’s torso, delivering steady pressure that many families describe as a comforting hug. In a 2022 survey, over 85% of surveyed pet parents reported improvement in their dog’s anxiety-related signs when using ThunderShirt. This XX Large, Heather Gray Classic version is a drug-free option designed to be adjustable for just the right amount of calming pressure, making everyday moments a bit smoother.
Owners often notice the wrap is lightweight and breathable, so dogs stay comfortable through daily activities. The fabric resists wrinkling and holds its shape after washing, supporting repeated use across seasons.
Imagine car trips with calmer nerves, greeting new people without tension, or more peaceful nights after a busy day. ThunderShirt is well suited for rescue dogs and dogs with sensitive reactions to changing environments. It also works well for dogs who are new to routines or who need extra support during transitions.
Crafted from soft, breathable fabric, ThunderShirt is machine washable and designed for repeated use. The fit is adjustable around the neck and torso to apply the appropriate calming pressure. For best results, start with a lighter wrap and adjust gradually. There is no training required—just wrap, secure, and go.
Thundershirt stands behind its product with a straightforward return policy through the applicable channel, reflecting confidence in comfort and convenience as part of your routine. This practical approach helps families focus on everyday moments with a little extra calm.
Q: Is ThunderShirt suitable for large dogs?
A: Yes, XX Large fits larger breeds and the adjustable wrap provides a secure, comfortable fit.
Q: How easy is ThunderShirt to use?
A: Wrap around the torso and fasten the straps; no training required, and it’s machine washable.
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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