Pillow Buying Guide: Shape, Size and Intended Use

Which support pillow should you choose?

Wondering how to choose a support pillow? First decide where it will go. The two CPAP pillows go under the head and have different openings for a mask and hose. The horseshoe-shaped travel pillow is for seated neck support; the contoured leg spacer goes between the legs. Compare the listed measurements and care instructions once the intended placement is clear.

Quick shopping summary

  • CPAP equipment clearance: Compare a crescent-shaped opening with side cutouts, then check each pillow’s dimensions against the available space.
  • Seated use: Consider the horseshoe-shaped travel neck pillow.
  • Between-the-leg placement: Consider the contoured leg spacer.
  • Before ordering: Check the current listing for dimensions, included pieces and care.

Understand the different designs

These pillow types are not interchangeable. The CPAP designs leave room for a mask and hose under the head; neither includes CPAP equipment or replaces prescribed therapy. The travel neck pillow is described for seated use, while the leg spacer is positioned between the legs with its center contour at the knee. Neither the neck pillow nor the leg spacer is a CPAP pillow.

Compare shape, size and care

The two CPAP pillows have fiber construction, while the travel neck pillow uses polyurethane memory foam. The Mini CPAP fitted case is 92% cotton and 8% spandex; the 4-Inch CPAP fitted case is 90% cotton and 10% spandex. These are construction differences, not a promise of a particular comfort or health result. Both CPAP pillow listings specify hand washing and flat drying for the pillow itself. Their descriptions identify removable fitted cases but do not give a separate case-washing procedure; check the case label or ask for clarification rather than assuming it can be machine washed. Spot clean the travel neck pillow without soaking, and keep the leg spacer’s cover-care instructions separate from its foam.

Shop the pillow collection

Browse Pillows for Sleep, CPAP and Travel to see the current assortment, then confirm details on the individual listings.

Compare four pillow examples

  • Core Mini CPAP Pillow with Fitted Case: Measures 13 x 19 x 4 inches. Its crescent shape creates curved space for a CPAP mask and hose; construction includes quilted side panels and fiber head support.
  • Core CPAP Pillow 4-Inch with Fitted Case: Measures 21 x 15 x 4 inches. This fiber pillow has a 4-inch loft and side cutouts for a CPAP mask and hose. Compare its outline and measurements with the mini’s rather than assuming their openings match.
  • Core Memory Foam Travel Neck Pillow: Measures 11 x 11 x 3 inches. Its horseshoe shape is for head and neck support while seated; it contains polyurethane memory foam and has a plush polyester/spandex cover.
  • Core Leg Spacer Positioning Pillow - Standard: Measures 10 x 8 x 6 inches. Its contoured polyurethane foam goes between the legs, with the center contour at the knee; it has a fitted plush polyester cover.

Featured products to consider

Compare the product-specific details below and check the linked listings before choosing. Fit and comfort vary by person.

Core Mini CPAP Pillow with Fitted Case - White

Core Mini CPAP Pillow with Fitted Case

Crescent-shaped CPAP clearance option for comparison with the side-cutout design.

Core CPAP Pillow 4-Inch with Fitted Case - White

Core CPAP Pillow 4-Inch with Fitted Case

Side-cutout CPAP clearance option with different listed dimensions.

Core Memory Foam Travel Neck Pillow - Blue

Core Memory Foam Travel Neck Pillow

Horseshoe-shaped option for seated use, not a CPAP recommendation.

Core Leg Spacer Positioning Pillow - Standard - Gray

Core Leg Spacer Positioning Pillow - Standard

Between-the-leg positioning option, not a CPAP recommendation.

How to choose

  1. Measure the space available before comparing products. Account for the bed, seat or packing space, not just a pillow’s name.
  2. For a CPAP pillow, compare the pictured opening with the mask and hose arrangement used in your usual sleeping positions. Outer dimensions do not measure the opening itself.
  3. Decide whether fiber construction or memory foam is relevant to the type of pillow being considered; they are not interchangeable evidence of comfort.
  4. Identify exactly which component needs cleaning: pillow, fitted case, cover or foam. Keep their instructions separate.
  5. For CPAP equipment or treatment questions, consult the professional managing your care and continue prescribed therapy.

Common mistakes to avoid

  • Choosing by the word “support” without checking intended placement.
  • Calling the travel neck pillow or leg spacer a CPAP pillow.
  • Assuming the two CPAP pillows have identical openings.
  • Applying cover-care instructions to the pillow or foam without checking the listing.
  • Assuming a CPAP pillow includes a mask, hose or machine.

Frequently asked questions

What are the CPAP fitted cases made of?

The Mini CPAP Pillow’s fitted case is 92% cotton and 8% spandex; the 4-Inch CPAP Pillow’s case is 90% cotton and 10% spandex. Both cases are removable. Check the case label or ask for clarification before laundering it rather than assuming the pillow’s instructions also apply to its case.

What is the difference between the two CPAP pillows?

The Core Mini CPAP Pillow measures 13 x 19 x 4 inches and has a crescent opening. The Core CPAP Pillow 4-Inch measures 21 x 15 x 4 inches and has side cutouts and a 4-inch loft. Both include removable fitted cases, but not CPAP equipment. Check the pictured opening or cutouts and measurements against the mask-and-hose arrangement and available pillow space; neither design is universally preferable.

Does a CPAP pillow treat sleep apnea or replace my equipment?

No. These pillows are shaped to leave room for a mask and hose, not to treat sleep apnea or replace prescribed CPAP therapy. CPAP equipment is not included. Direct treatment or equipment questions to the qualified professional managing care.

Can the travel neck pillow be used as a CPAP pillow?

Its listing describes a horseshoe-shaped pillow for head and neck support while seated, not CPAP mask-and-hose clearance. Compare the two CPAP-specific designs if equipment clearance is the shopping priority.

Where does the leg spacer go?

The Core Leg Spacer Positioning Pillow goes between the legs with its center contour at the knee. Its description says straps are not needed. The standard model measures 10 x 8 x 6 inches; it is not an under-the-head CPAP pillow or a seated travel neck pillow.

Are the covers and pillows cleaned the same way?

Not necessarily. Both CPAP listings say to hand wash the pillow in cold water with mild soap and dry it flat, not machine wash or machine dry it. Spot clean the travel neck pillow and do not soak it. For the leg spacer, hand wash and dry the cover flat, but do not wash or dry the foam. Follow each product’s instructions.

What should I check for a small space or travel?

Compare listed dimensions with the intended bed, seat or packing space, then review shape and placement. The travel neck pillow is for seated use, while the two CPAP pillows have different outlines. Confirm included pieces and care on the current listing rather than judging fit from a photo alone.

Continue shopping

Use the product cards above to review the full descriptions before choosing.

Editorial and medical-information note

This is general shopping information, not medical diagnosis or treatment advice. A pillow does not replace prescribed therapy. Seek professional care for persistent pain, numbness, sudden symptoms or uncertainty about what is appropriate.