Keeps Cushion – “A Pillow for Your Hips”

Transform Your Everyday Chair into a Comfortable Seat You’ll Never Want to Leave

Designed using sleep science technology from nishikawa, a leading Japanese bedding brand, the Keeps Cushion supports your pelvis and promotes ideal posture — so you can sit comfortably for hours without fatigue.

On average, modern people sit for over 7 hours a day.
This cushion was developed to make that time healthier, more comfortable, and more sustainable for your body.

Three Key Points

1. Upgrade Your Everyday Chair
Enhances both comfort and posture with a single cushion.

2. Comfortable Long-Hour Sitting
Made with high-resilience, pressure-dispersing urethane foam and a breathable structure that prevents stuffiness during extended use.

3. Joint Research with Kanazawa University
Developed based on nishikawa’s expertise in sleep ergonomics to scientifically improve sitting comfort.

Triangle Support System® (Patent Pending)

nishikawa’s original 3-point support structure stabilizes the sacrum, ischium, and thighs for ideal sitting posture.

1. Sacral Point: Supports the sacrum at the right angle to align the pelvis.

2. Ischial Pocket: Prevents sliding by cradling the sitting bones securely.

3. Thigh Slits: Distributes pressure evenly across the thighs to reduce fatigue.

By gently holding the sacrum and ischium, the cushion naturally encourages a balanced, upright posture and reduces strain — even during long periods of sitting.

The Science Behind Comfort

Based on the “Three-Point Support Theory” from pillow ergonomics, the Keeps Cushion achieves the ideal pressure balance:
Ischium 1.0 : Sacrum 1.7 : Thighs 1.0 — reducing strain on the sitting bones and improving overall comfort.

Without the cushion, approximately 85% of pressure concentrates on the sitting bones.
With Keeps, that pressure drops to around 30%, distributing body weight evenly across the surface for lasting comfort.

Additional Features

• Ventilation: Air holes in the thigh area reduce heat buildup.

• Non-Slip Base: Keeps the cushion stable on any chair.

• Antibacterial Fabric: Maintains hygiene even with daily use.

• Washable Cover: Removable and machine-washable for easy cleaning.

• Durable Urethane Core: High-resilience foam maintains shape and support over time.

Specifications

• Size: 44 × 41 × 18 cm

• Country of Origin: China

• Materials:

  • Top & Sides: 100% Polyester (Antibacterial Finish)

  • Bottom: 65% Polyester, 35% Polyurethane (Non-slip Finish)

  • Inner: Urethane Foam

Brand Concept – “Keeps by nishikawa”

Born from nishikawa’s sleep science, Keeps helps modern people maintain comfort and proper posture during long hours of sitting — just as nishikawa has long supported better sleep.