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Shipping Estimate
USA
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- USA
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
On-Ice 21L Sound BoxOn Ice 21L Sound Box Keep it cool. Keep it loud. The Ion Grit AudioCooler combines rugged insulation with high performance audio, delivering the ultimate companion for outdoor adventures, beach days, tailgates, and more. Built with durable materials and packed with smart features, this is more than just a coolerits a portable party station. Key Features: Bluetooth 5. 3 Speaker SystemDual 5W speakers 10m wireless range Compatible with all smartphones
On-Ice 21L Sound Box
Keep it cool. Keep it loud.
The Ion Grit AudioCooler™ combines rugged insulation with high-performance audio, delivering the ultimate companion for outdoor adventures, beach days, tailgates, and more. Built with durable materials and packed with smart features, this is more than just a cooler—it’s a portable party station.
Key Features:
-
Bluetooth 5.3 Speaker SystemDual 5W speakers
- 10m wireless range
- Compatible with all smartphones
- Multi-mode playback: Bluetooth, TF (Micro SD), FM Radio
- Integrated volume/playback controls
-
Insulated for Long-lasting Temperature Control
- Hot for up to 12 hours / Cold for up to 72 hours
- Leak-proof, food-grade thickened PP plastic liner
-
Built Tough
- PP lid with PE shell, PP inner, and PU interlayer for maximum insulation
- Double hinged lid secured with dual latches
- Integrated tie-down holes for safe transport
- Foldable PP carry handle for easy portability
-
Rechargeable Power
- 3.7V / 1500mAh battery
- 3–6 hours of playtime
- Fully recharges in approx. 5 hours
- Type-C charging cable included
-
Design Highlights:
- Water-resistant IP44-rated speaker – splash-proof for outdoor use
- Sleek Ion Grit logo on the function panel
- Durable and impact-resistant exterior
- Dimensions: 45.5cm (W) x 31cm (H) x 33cm (D) (excluding handle)
- Materials: PP lid & inner, PE shell, PU insulation
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Good fit
Material Type: Black - 3 Pairs, Size: X-Large
My husband just started using these and they feel comfortable. Hasn't used them long enough to see if his heels are better. He has a high arch so I bought him the XL and they fit perfectly.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
No more painful cracked heels! These really do work!
Material Type: Black - 3 Pairs, Size: X-Large
These really do work well. This is one of the first winters that I have not experienced painful, cracked heels. They are long lasting, and definitely make my heels smoother and softer after wearing them. For the first few times wearing them I simply went with the moisturizer embedded in them. After a few uses I then covered my heels with Aquaphor Advanced Therapy Healing Ointment. This worked even better, and I would recommend it. I am very glad I bought these. Of note, I have really big feet that are quite wide and the XL are a little snug but not uncomfortably so. I use them overnight, but also have worn them under socks and they work fine.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
Wonderful for dry feet
Material Type: Black - 3 Pairs, Size: X-Large
I have been dealing with dry skin and problems with the heel of my foot, so I thought I would give these a try. I am so glad I did. They moisturize beautifully. A must is you are having trouble with your feet.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Heel Fisures
Material Type: Black - 3 Pairs, Size: X-Large
Fantastic product. Worked well beyond my expectations.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
X-Large is about a size 12-13 shoe size foot USA.
Material Type: Black - 3 Pairs, Size: X-Large
I love them they work fantastic. I am a big guy with swollen feet. Wear size 12 to 13 USA Shoes. They fit me just fine not tight. My feet felt good after wearing them for two days. Some dry skin pulled off with them and it says to wash by hand. I dont know about the durability but I am hoping to get about 5 uses per pair. Before they become unusable.
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Reviewed in the United States on February 7, 2026
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