Prime Grenshaw

Product Id
Product Overview

Kingsdown Grenshaw has all the best features, Gel infused Memory Foam to keep you cool. Individually wrapped coils for motion separation and 3 different gauge wire in the center 1/3 for support exactly where you need and want it.

30 Day Comfort Guarantee

Worried that you might pick the wrong mattress?

  • Sleeping on it is really the best way to test a mattress.
  • Take up to 30 nights to really get comfortable.
  • If you don’t like the one you picked simply reselect a new one.
  • We want you to love your new mattress.
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Works with all Bed Frame Type

Traditional Frames

Adjustable Bases

Your mattress purchase is fully compatible with all modern support systems, including Traditional Frames,Adjustable Bases !

Product Specifications
  • 1200.75" Micro-Coils 19 Ga
  • 1.5" Plush Fitness Foam
  • .5" Medium Fitness Foam
  • Get Infused Memory Foam
  • 9" perimeter Wrapped Coil 13.25/15.25/14.5 Ga
  • 480 Twin 680 Full 800 Queen 1016 King
  • 1" Support Foam
  • 10 Year Warranty
Comfort Type:
  • Medium
Quilting Layers:
  • .5" Firm Quilting Poly Gel
  • .5" Quilting Poly Gel
Support System:
1" Support Foam
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Delivery & Shipping
Free In-Home Setup & Delivery
  1. TIMING: You'll receive your mattress in about 2 to 3 weeks, anywhere in the continental 48 states that's road accessible. Check your zip code for an estimated delivery date.
  2. IN-HOME WHITE GLOVE DELIVERY: It's super easy; the delivery team will bring in and place your new mattress in your bedroom, unpack it and take away the packaging. And mattress removal can be added for free when you select that option online. (Delivery is up to 2 flights of stairs. Additional arrangements are subject to charge by the delivery carrier.)
  3. SCHEDULING DELIVERY: You'll be called to arrange the delivery when your mattress arrives at the local delivery agent, approximately one week after ordering. Someone must be home to accept delivery.
  4. FURNITURE & BEDDING: Furniture & bedding deliver separately.
  5. WEEKEND OR EVENING DELIVERY: May be available for a nominal fee. Order by phone at Wilmington: 302-498-8353 / Newark: 302-351-3036

How It Works

Shop Mattress &

Find the items you like on the site or call us to place your order.

Free Delivery &

We will deliver your new mattress, and our Sleep Doctor technicians will set up the mattress in your home.

Enjoy a Great Night's

Enjoy a relaxing sleep with our premium quality, luxurious mattresses.