Похоже, тут просто варианты подушек или матрасов по толщине, или (возможно) по форме:

Naturelle Latex Pillow:
Luxurious pillow in natural latex - From the rubber tree.
Sumptuously soft & wonderfully supportive.
Pure latex won't sag or lose its shape.
Therapeutically designed and gently contoured to cushion the head and cradle the neck.
3 versions:
Low Profile — Designed to support and comfort children from 5 years, & adult back sleepers.
Medium Profile — Suits average physiques, and also those seeking a lower pillow.
High Profile — Suits side sleeping, broader shouldered physiques, and for those of average physique who prefer a higher pillow
http://www.the-pillow.com.au/general/category_pillows.php