Posey Defined Perimeter Mattress Covers

Brand/Manufacturer: POSEY

Posey Defined Perimeter Mattress Covers are especially designed for patients prone to unassisted bed exit and/or falling out of bed. These help promote a safe bed environment without the need for bed side rails. The wedge-shaped foam sections line the perimeter of the covers and help provide a gentle reminder to those lying in bed of the location of the mattress edges, and help provide a less restrictive environment than side rails.

Posey Defined Perimeter Mattress Covers Features

  • Posey Defined Perimeter Mattress Covers offer a low intervention solution to many of the bed safety issues affecting healthcare facilities
  • 4" high wedge-shaped foam sections form a sensory and gentle fall prevention mechanism
  • 15" openings in the mid-section allow for easy exit and entry into bed
  • Straps with quick-release buckles easily secure the cover to the bed
  • Cover consists of waterproof urethane coating that can be wiped clean with a mild disinfectant
  • Strategically located sheet clips hold sheets securely in place (model 5750)
  • Breathable nylon models (5750NC) compatible with low air loss mattresses
  • Zippered foam compartments to facilitate laundering of cover
  • Elastic fitted corners
  • Includes removable foot bolster for additional comfort (models 5750 and 5750NC)
  • Meets CA #117, Section E Flame retardancy standards
  • Click Here For User Manual





Cover MaterialNylonBreathable NylonBreathable Nylon
Fits Mattress Height6" to 8" (15 cm to 20 cm)6" to 8" (15 cm to 20 cm)6" to 10" (15 cm to 25 cm)
Fits Mattress Width34" to 39"* (86 cm to 99 cm)34" to 39"* (86 cm to 99 cm)48" (122 cm)
Fits Mattress Length80" (203 cm)80" (203 cm)80" to 86" (203 cm to 218 cm)
Foam Height4" (10 cm)4" (10 cm)5" (13 cm)
Foam Width5-1/2" (14 cm)5-1/2" (14 cm)6-1/2" (17 cm)
Foam Length29-1/2" (75 cm)29-1/2" (75 cm)32" (81 cm)
Foam DensityMediumMediumHigh
Sheet ClipsYesNoNo

Customer Reviews


ItemName - now     11/27/2021

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UserName - now     11/27/2021

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Jennifer Thompson     03/01/2017

Can a alternating pressure pad be place on top of the perimeter mattress cover?


Customer Care    03/03/2017

We do not recommend that an alternating pressure pad be placed on top of the mattress cover.



Jennifer Thompson     02/28/2017

Can the head of a hospital bed be raised 30 degrees with the perimeter mattress cover


Customer Care    03/01/2017

Yes, the head of a hospital bed be raised with the perimeter mattress cover.

Thread each of the straps located along the edge of the cover through available openings in the perimeter of the movable section of the bed frame. This will allow the cover to remain properly fitted to the mattress as the entire bed, head section, or foot section is raised or lowered. Avoid areas where the straps may interfere with the lowering and raising mechanism of the bed.


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What is HPFY’s return policy?

Customer satisfaction is our top priority. We stand behind our products. If the merchandise you received is defective or not what you expected it to be, and you wish to return the item, please submit a return request in the My Account section of our website, contact our Customer Service department at (866) 316-0162 / (203) 616-2850 or email us.

  1. Merchandise must be returned within 30 days of the receipt of your order. Returns are not accepted after 30 days.
  2. Items (including parts and accessories) must be returned in new, unused, and resalable condition in its original packaging.
  3. Before returning any product, the buyer must obtain a Return Authorization Number (RA#) from a customer service representative. With your RA# you will receive a prepaid return shipping label.
  4. Orders returned without obtaining an RA# will be entitled to receive only "In-Store Credit" that can be used towards future purchases.
  5. Return orders are subject to a 20% restocking fees.
  6. All custom orders and hygienic items are non-returnable. Refer to the “Non-Returnable Items” section for further details.
  7. Returns will be reviewed and inspected before issuing credit. Please allow 3 to 4 weeks for processing. The credit will be applied to your original method of payment.
  8. If the return is the result of a defective product or shipping error, we will refund the entire purchase amount and return shipping costs.

Which products are Non-Returnable?

Due to the hygienic nature of some items, they are non-returnable. The items listed below are non-returnable:

  1. All hygienic items.
  2. Opened personal care items.
  3. Anything opened, used, or tried on.
  4. All customized items.
  5. Besides these, items that have the “non-returnable” phrase on the website.

We reserve the right to make adjustments due to errors, changing market conditions, product discontinuation or typographical errors in advertisements. Images on the site may not always reflect the actual product. Footrests or leg-rests are not included with wheelchairs unless specified.

How do I receive a return authorization number?

You can submit a return request by logging into your account. You will receive the Return Authorization Number (RA#) details in the email within 2-3 business days.

  • Login to your account
  • Go to “order history”
  • Click on “return order”
  • Fill out the return form and Submit it

If you do not have an email address, we will make other accommodations for RA# Details. Write the RA# on your label affixed to your package prior to shipment.

How long does it take to receive a refund?

Please allow 3 to 4 weeks to process the returns. Once the item is received, and inspected, your refund will be processed and automatically applied to your credit card or original method of payment.

Is there any Restocking Fees?

  1. 20% restocking fees will be applied.
  2. Outbound shipping cost is non-refundable.
  3. For orders that qualified for free shipping, $8.99 will be deducted from the refund if the product is returned.

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