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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
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Description
iSeries NXG - 13.5" Hybrid Medium Mattress 3500Weve evolved the Serta iSeries NXG to be the next generation of comfort. Weve built this Medium feel mattress with a series of benefits for the sleep you want. Experience immediate cooling, instant pressure relief and ideal support for a deeper , more restful sleep at a price that makes sense. Featuring high density memory foam, NXG Memory Foam delivers deep, contouring pressure relief. A cool to the touch fabric oers instant cooling, while Carbon
We’ve evolved the Serta® iSeries NXG™ to be the next generation of comfort. We’ve built this Medium feel mattress with a series of benefits for the sleep you want. Experience immediate cooling, instant pressure relief and ideal support for a deeper , more restful sleep at a price that makes sense. Featuring high-density memory foam, NXG™ Memory Foam delivers deep, contouring pressure relief. A cool-to-the-touch fabric offers instant cooling, while Carbon Fiber Memory Foam draws heat away from the body for all-night comfort. The hybrid models feature a 5-zone coil system with alternating firm and plush areas to better support the curves of your back and body.iSeries NXG - 13.5" Hybrid Medium Mattress 3500 - Twin Long
39.0"W x 79.5"D x 13.5"H - 102.52 lb
iSeries NXG - 13.5" Hybrid Medium Mattress 3500 - Full
54.0"W x 74.5"D x 13.5"H - 130.22 lb
iSeries NXG - 13.5" Hybrid Medium Mattress 3500 - Queen
60.0"W x 79.5"D x 13.5"H - 153.45 lb
iSeries NXG - 13.5" Hybrid Medium Mattress 3500 - Split Head Queen
60.0"W x 79.5"D x 13.5"H - 156.82 lb
iSeries NXG - 13.5" Hybrid Medium Mattress 3500 - King
76.0"W x 79.5"D x 13.5"H - 190.84 lb
iSeries NXG - 13.5" Hybrid Medium Mattress 3500 - Split Head King
76.0"W x 79.5"D x 13.5"H - 189.32 lb
iSeries NXG - 13.5" Hybrid Medium Mattress 3500 - California King
72.0"W x 83.5"D x 13.5"H - 190.4 lb
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
4.3 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Great toy for dogs or cats
Color: Clemson Tigers, Size: Large, Color: Clemson Tigers, Size: Large
Both my dog and cat love this treat finding toy. Dog (husky) can work it very quickly- the doors slide a bit too easily for him but the cat also successfully hunts up his treats as well. The quality seems nice and despite their use, still looks brand new.
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Reviewed in the United States on December 3, 2025
★★★★★ 4
Fair product
Color: Ohio State Buckeyes, Size: Standard
Product works great and looks nice. Stickers come up easily. Maybe not worth the price. But still is a good product.
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Amazing smart toy for dogs
Color: Ohio State Buckeyes, Size: Standard
My dog LOVES this!! Keeps her entertained and keeps her brain going
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Quality
Color: Missouri Tigers, Size: Large
So i got this for my dog who was board and distroying the house and or having anxiety attacks. This was a cheap option and he loved it as a beginner puzzle. The covers slide so easily and don't stick like wooden puzzles. The amount of treat pockets is also great. The dog doesn't care what team it is related to and neither do I. If you are looking to keep your too smart dog entertained, tis is for you.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
My dog loves this toy
Color: Iowa Hawkeyes, Size: Standard
I've tried other engagement toys for my dogs but they didn't seem interesting to her. But my mini-Schnauzer loves this toy. She is excited when this toys comes out of the cabinet. It keeps her mind engaged. Easy to clean. Great value for the money.
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Reviewed in the United States on December 10, 2025