The 375 adjustable base is made in the USA.  
This listing includes 10" mattresses - This is a complete set. 
 
 
375 Base features 
 
* Remote flashlight
* Dual Massage
* Dual Massage timer 
* 10 Level back and leg massage with timer and 5 wave patterns 
*  Built in flashlight - no need to get up and turn on the bedroom light
* 2 programmable settings 
* One touch flat button
* 3 adjustable leg heights (Spacer Legs can be used as a 2” or 4” height addition, or can be combined to make a 6” height addition - legs are black now not silver)
* Bluetooth pairing available - extra cost
* Made in the USA  
* Warranty 20 Year warranty Best in Class 3/5/20 Warranty
* Pre programmed Zero G system Benefits: 
** Great for relaxing, meditation, relief for foot and legs and easis swelling 
** Alleviate acid reflex and gerd   
** Improve breathing and open airways 
** Heart health - Sleeping with your body at a 120-degree angle eases pressure on the heart, allowing it to pump blood more easily. The result is better blood flow and enhanced heart health
 
 
10" Hybrid Mattress
Top layer: 1/2" Gel Memory Foam
Middle layer HD comfort foam
682 Perimeter Edge Pocketed coils 
Edge support system
Stretch wicking fabric cover that reacts - pulls heat away from your body
Hypo-allergenic & Anti-microbial
Rolled & compressed for ease of delivery
Limited Warranty: 10 Years