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Mainstays 6" Innerspring Coil Mattress, Twin

Mainstays 6" Innerspring Coil Mattress, Twin

Regular price $133.50 USD
Regular price Sale price $133.50 USD
Sale Sold out
Shipping calculated at checkout.
Ease your child's transition to a big kid bed with the Mainstays 6" Innerspring Coil Mattress. This mattress features tempered steel coils for consistent full-body support. The bright white exterior provides a clean and fresh presentation. This is the perfect bunk bed mattress or trundle bed mattress, available in Twin, Twin XL, and Full sizes. This bed-in-a-box ships compressed and rolled, arriving conveniently at your door. Allow 48 hours for expansion, then use your new Mainstays mattress on its own or with any bed frame and box spring. 

Mainstays 6 inch Innerspring Mattress, Twin:

  • PERFECT FIT: The six-inch profile of this spring mattress is perfect for bunk beds, trundle beds, and dorm rooms
  • FIRM SUPPORT: This firm mattress offers full-body support for any sleeper
  • CHOOSE YOUR SIZE: Available in Twin, Twin XL, and Full configurations
  • SHIP AND SLEEP: Ships compressed in a box right to your doorstep. Allow 48 hours for this mattress to fully expand before using
  • CHOOSE YOUR FRAME: Compatible with platform frames or a traditional box spring
  • PROTECTED PRODUCT: This product is backed by a one-year manufacturer’s warranty
  • SEND IT BACK: Free returns for 90 days if you are not fully satisfied


  • Assembled Product Dimensions: 74” L x 37.5” W x 6” H; weighs 20 pounds
  • Package Dimensions: 11” L x 11” W x 41” H; weighs 19 pounds
  • No Assembly Required
  • Materials: Polyester, rayon, polyurethane foam, polypropylene, olefin, steel coils
  • Product Color: White
  • Product Size: Twin






Bed Size






Mattress Type

Innerspring Mattresses

Manufacturer Part Number


Assembled Product Weight

20 lbs

Assembled Product Dimensions (L x W x H)

39.00 x 75.00 x 6.00 Inches

SKU: WA869826853

Shipping & Returns

Shipping: FREE

Returns: see Cancellation, Returns & Refund

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