Hardside Waterbed Bladders and accessories

Hardside Waterbed Bladders & Accessories — Sterling Sleep Systems

Sterling Sleep Systems has been manufacturing hardside waterbed bladders in the USA since 1987. Our bladders are designed to fit inside standard wooden waterbed frames and are available in a range of motion levels — from free-flow to super waveless — so you can find the right feel for your sleep style.

Bladder Lines

  • S-Class (600SXE, 400SX, 300): Our premium line — superior waveless performance, edge support, and back support. Available from semi-waveless to super waveless.
  • Original Series (9876, 9756): Proven performers with excellent waveless ratings and back support.
  • Parkline (92xx series): Free-flow bladder designed for T-corner hardside frames.

Hardside Covers

Protect your bladder and refresh the look of your bed with our Belgium Damask zip-on hardside covers — available in plush top and pillowtop styles.

Accessories

Everything you need to maintain your hardside waterbed — safety liners, heaters, conditioner, fill kits, and patch kits.

18 products