Isotonic Memory Foam Dog Mattress


Isotonic Memory Foam Dog Mattress features cutting edge technology to provide the ultimate comfort for your pup. Developed for NASA to relieve extreme G-force pressures, the Isotonic pressure relieving material is a breakthrough in human sleep technology that will can now help change the way your dog sleeps. Isotonic Memory Foam is an open celled, breathable material that is temperature sensitive, Visco Elastic and able to distribute pressure or body weight over the entire surface area. With this innovative technology combined with firmer furniture grade foam, your pet will experience the ultimate in comfort and support. The sleek, clean lines make this a practical, stylish addition to any home. Zippered removable cover for easy washing.


  • NASA developed Isotonic technology
  • Upholstery-grade removable cover
  • Easy cleaning: Machine wash removable cover on cool, gentle cycle. Tumble dry, cool setting.
  • Great for senior pets or any dog with mobility issues

M: 30 in. x 20 in. x 4 in. | for pets up to 30 lbs.  
L: 36 in. x 24 in. x 4 in. | for pets up to 50 lbs.
XL: 40 in. x 30 in. x 5 in. | for pets up to 75 lbs.

Depending on in-store availability, this item may be handmade to order and ship directly from our amazing designer and could take up to 21 days to ship. 

We will gladly accept returns for a full refund with receipt and in new condition within 30 days of purchase. Between 30 and 60 days, refunds will be issued as store credit. Original shipping and processing fees are nonrefundable. Return shipping expenses are to be paid by the customer.

Muttropolis has partnered with the US Postal Service and UPS to provide the fastest and most reliable shipping options available. Free shipping applies to standard shipping only for the contiguous United States and excludes oversized items like bags of food that are 20lbs or more and large crates. Shipping charges for these items are calculated at checkout.

Most orders ship within 1 business day. Orders shipped to Hawaii or Alaska may be subject to additional shipping charges. Some orders may arrive in multiple packages as we ship directly from our stores and some items ship directly from the designer.

*Product Total is calculated after discounts and before tax.

Standard Shipping 

Standard shipping will be delivered within 2 to 7 business days depending on location via USPS Priority or UPS Ground Shipping. Most orders ship from our Southern California warehouse with orders shipping to the West typically arriving in 2 to 3 days. Certain items may ship directly from the designer and take slightly longer to arrive.

UPS 3 Day Select

In response to the current COVID-19 pandemic, we unfortunately cannot offer 3 Day expedited shipping however most orders will arrive within 2-7 days depending on your location. We will notify you through email if your order will take longer than 7 days. Orders placed before 3pm PST, Monday through Friday, will be shipped the same day. Orders placed after 3pm on Friday through Sunday will not ship until Monday. Please consider these guidelines when choosing expedited shipping. Guaranteed delivery with complete track-ability from the time your order ships until it reaches your doorstep.

3rd Party Shipping 

Certain items may ship directly from the designer and take slightly longer to arrive. These items will be marked in the product description. If your item will take longer than a week to ship we will contact you at the time of receiving your order. 

 International Shipping 

Please call us at 888-688-8799 for international shipping.

For time-sensitive shipments please call 1-888-688-8799.