Sentryse 12 Inch Twin Size Hybrid Mattress in a Box, Euro Top Medium Feel with Pocket Springs and Wave Foam Comfort Layer
Sentryse 12 Inch Twin Size Hybrid Mattress in a Box, Euro Top Medium Feel with Pocket Springs and Wave Foam Comfort Layer
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Sentryse 12 Inch Twin Size Hybrid Mattress in a Box, Euro Top Medium Feel with Pocket Springs and Wave Foam Comfort Layer

43 ratings

Key item features

  • Balanced Medium Feel: This Euro Top hybrid mattress provides a balanced medium feel, offering cushioned comfort on top with responsive support underneath.
  • Plush Comfort Layers: A 1.6-inch comfort foam layer, including 3 cm wave foam and foam padding, creates a cushioned sleep surface and promotes airflow.
  • Individual Spring Support: Individually wrapped pocket springs respond separately to movement, reducing motion transfer and offering responsive head-to-toe support.
  • Reinforced Edge Stability: Thicker coils along the long sides enhance overall stability, especially when sitting or lying near the mattress edges.
  • Premium Material Build: Constructed as a hybrid foam and pocket spring mattress, it features premium high-density foam, pocket springs, and a soft, breathable knit fabric cover.
  • Convenient Box Setup: Shipped compressed and rolled in a box for easy delivery and setup, it expands fully within 24-72 hours on various bed frames or the floor.
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Specs

Bed size, TwinMattress comfort level, MediumMattress type, Hybrid MattressesFeatures, Mattress-in-a-Box, HypoallergenicMattress thickness, 12 inBrand, Sentryse

About this item

Product details

The Sentryse Hybrid Mattress in a Box is designed for everyday comfort with a cushioned Euro Top surface, a balanced medium feel and a responsive pocket spring support system. This hybrid mattress combines a breathable knit fabric cover, a 1.6-inch comfort foam layer with wave foam, foam padding and individually wrapped pocket springs to create a sleep surface that feels cushioned on top while staying supportive underneath. The foam layers help cushion the shoulders, hips and back, while the pocket springs respond separately to movement to help reduce motion transfer when sharing the bed. For added side stability, the mattress is built with thicker coils along the long sides, making it more stable when sitting or lying near the edge. The 10-inch model uses a 22 cm pocket spring height, while the 12-inch model uses a 28 cm pocket spring height for a thicker profile. This mattress ships compressed and rolled in a box for easier delivery and setup. Place it on a platform bed, box spring, slatted base or a clean, flat floor, then allow 24-72 hours for full expansion. Available in Twin, Full, Queen and King sizes. Spot clean only.

Specifications:

Type: Hybrid Foam and Pocket Spring Mattress

Firmness Level: Medium Firm

Mattress Top Type: Euro Top

Bed Size Options: King, Queen, Full, Twin

Thickness Options: 10 Inches, 12 Inches

Material: Premium high-density foam, Individually wrapped pocket springs, Soft breathable knit fabric cover

Setup:

Mattress ships compressed in a box

Allow 24-72 hours to fully expand after unboxing

Compatibility: Fits most bed frames including box springs, platform frames, slatted bases,  or even right on the floor. 

Care Instructions: Spot clean only. Do not machine wash or dry clean.

Available Sizes & Weights

12" Mattress King: 76” x 80” x 12” , ~94 lbs

12" Mattress Queen: 60” x 80” x 12” , ~75 lbs

12" Mattress Full: 54” x 75” x 12” , ~64 lbs

12" Mattress Twin: 39” x 75” x 12” , ~46 lbs

10" Mattress King: 76” x 80” x 10” , ~89 lbs

10" Mattress Queen: 60” x 80” x 10” , ~70 lbs

10" Mattress Full: 54” x 75” x 10” , ~64 lbs

10" Mattress Twin: 39” x 75” x 10” , ~44 lbs

  • 1. Balanced Medium Feel

  • The Sentryse Euro Top hybrid mattress is designed with a balanced medium feel, offering cushioned top comfort with responsive support underneath.

  • 2. Euro Top and Wave Foam Comfort Layer

  • A 1.6-inch comfort foam layer includes 3 cm wave foam and foam padding to help create a cushioned sleep surface with added airflow space.

  • 3. Individually Wrapped Pocket Springs

  • Individually wrapped pocket springs respond separately to movement, helping reduce motion transfer and provide responsive support from head to toe.

  • 4. Reinforced Long-Side Edge Support

  • Thicker coils along the long sides help improve side stability when sitting or lying near the edge of the mattress.

  • 5. Mattress in a Box Setup

  • Ships compressed and rolled in a box for convenient setup on platform beds, box springs, slatted bases or clean floor setups. Allow 24-72 hours to expand.

info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Bed size

Twin

Mattress comfort level

Medium

Mattress type

Hybrid Mattresses

Features

Mattress-in-a-Box, Hypoallergenic

Directions

Fabric Care Instructions

Spot Clean Only

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.4 out of 5 stars
stars
43 ratings14 reviews
Includes global ratings and reviews
How item rating is calculated

Reviews summary

Pros

  • : Inflates quickly for a comfortable experience.
  • : Offers balanced firmness for a comfortable sleeping surface.
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Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 14 reviews

Oct 20, 2025
Reviewer name: Walmart customer
Item details
Bed size: King
Color: 10" Thickness Mattress
Sold and shipped byYHWD
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy Setup and Great Sleep from Night One

The mattress came compressed in a box and was super easy to set up. We just unrolled it and let it sit for about 48 hours, and it puffed up nicely. It looks and feels premium—great stitching, soft fabric, and a nice euro top finish. I slept on it the same night and didn't want to get up in the morning. It's supportive but has just enough give so it doesn't feel stiff. Definitely feels like a hybrid that balances the best of both foam and springs.

Helpful?1AW2VJZOFBLB15764706311
Sep 25, 2025
Reviewer name: xuemei
Item details
Bed size: Queen
Color: 12" Thickness Mattress
Sold byWDZYDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great Mattress, My Daughter Loves It!

The mattress is very comfortable and medium firm, definitely worth the price. I just bought it two days ago and couldn't wait to open it once it arrived. It expanded quickly, and my daughter was so excited jumping on it. She really loves her new mattress!

Helpful?1AW2VJZOFBLB15764706311
Dec 11, 2025
Reviewer name: Will
Top Reviewer
Item details
Bed size: Queen
Color: 12" Thickness Mattress
Sold byWDZYDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best mattress for bigger people. Great support.

This is the most comfortable mattress I've ever slept on! It's so comfortable to lay on %26 it has just the right amount of firmness and cushioning to cradle the body. I'm a big man and I have spinal issues. This is the Best mattress that I have ever had the pleasure of sleeping on! I will never buy anything else. When I need a new mattress in the future, I will be buying another one from this company. Truly the best night sleep in my life! it was easy to unroll, the inflating or plumping up was very %26 fast. It is made for heavier people like myself.

Incentivized Review
Helpful?1AW2VJZOFBLB15764706311
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