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Accessory Bundle

Starting at $310 $263.50
Available in 6 sizes
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Accessory Bundle
Bamboo Sheets Set
Cooling Mattress Protector

Risk-free, 100-night trial

20-year warranty

Free shipping & returns

Made in USA

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Accessory Bundle

Why you'll love it

Accessorize your mattress with the perfect pillow, sheet, and protector set. Get customizable comfort with the Flex Pillow. Enjoy our moisture-absorbent and buttery soft Bamboo Sheets. Sleep cool and protected with our 100% waterproof Cooling Mattress Protector.

  • Flex Pillow feels custom-made with hundreds of MicroFlex cushions you can adjust to reshape your pillow
  • Bamboo Sheets are airy, cozy, and made with sustainable materials
  • Cooling Mattress Protector offers protection from bacteria, dust mites, perspiration, and spills
  • Free, no contact fast shipping
  • Pillow made in the USA
  • 10-year pillow & protector warranty, 3-year sheets warranty
Free Shipping in 5-7 Business Days

Flex Pillow

Enjoy comfort that feels custom-made with the Amerisleep Flex Pillow. Inside, you’ll find hundreds of MicroFlex cushions that let you adjust the pillow's shape any way you like. The Flex Pillow also keeps you cool with a breathable cover.

  • Customizable shape to easily suit all kinds of sleepers
  • Lightweight cover and soft MicroFlex cushions
  • Responsive shredded memory foam never loses support

Bamboo Sheets Set

Wake up feeling relaxed, rejuvenated, and refreshed in Amerisleep’s Bamboo Sheet Set. Made with moisture-absorbent bamboo and natural cotton, these sheets are buttery soft and ultra-breathable to keep you cool all night long.

  • Made with a harmonious blend of bamboo and natural cotton
  • Soft and supple for a luxurious feel
  • Featuring sustainable materials for a guilt-free sleep

Cooling Mattress Protector

Exceptionally soft, breathable, and 100% waterproof. Our waterproof mattress protector features mineral-based FRiO® rapid chill cooling fibers and fitted-sheet style with elastic edging. It is breathable and protects your mattress from accidents, spills, and even dust mites and bacteria.

  • 100% waterproof and shields your mattress from bacteria, dust mites, perspiration, and spills
  • Mineral-based FRiO® rapid chill cooling fibers
  • Lightweight and breathable to promote airflow and prevent heat retention


Pillow Specs
  • Adjustable MicroFlex cushions
  • Soft, breathable cover with zipper
  • Certified eco-friendly by CertiPUR-US®
  • Pillow made in the USA
  • 10-year warranty
Sheets Specs
  • 240 thread count
  • Made with moisture-absorbent bamboo and natural cotton
  • 3-year warranty
Protector Specs
  • Mineral-based FRiO® rapid chill cooling fibers
  • Made with nylon and polyester
  • Fits up to 18 inch mattresses
  • 10-year warranty

See why our customers love our mattress

  • All
  • Breathable
  • Comfortable
  • Responsive
  • Supportive

Frequently asked questions

How does the Split King Bundle work?

You’ll receive two King size Flex Pillows and two Twin XL Cooling Mattress Protectors. For the Bamboo Sheets Set you will receive two Twin XL fitted sheets, two King size pillow covers, and one King size flat sheet.

How will these items ship?

Each item in the bundle is packaged and shipped separately but free shipping is always included on every order.

Are these items eligible for a warranty?

Yes. The Flex Pillow and Cooling Mattress Protector each have a 10-year warranty. The Bamboo Sheets Set comes with a 3-year warranty.

What can I do if I don’t like any of the bundle items?

For any issues or concerns, please contact our Customer Care team at or (800) 500-4233. Although our accessories are final sale and are not eligible for returns or refunds, we would be happy to assist with any issues you are experiencing.

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