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Kalsten | ZitComfort Ergonomic Seat Booster Cushion for Car & Office – Better Seat Height and Posture

Regular price $130.99 $262.00 SAVE $131.01 (50% OFF) Sale price
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Improve Your Visibility and Comfort with the SitComfort Seat Booster Cushion

The SitComfort Seat Booster Cushion enhances your visibility and provides unprecedented comfort while driving or sitting. Thanks to its ergonomic design, you can easily increase your seating height and enjoy optimal support for your back, hips, and legs. Suitable for cars, trucks, and office chairs.

Improved Visibility for Safer Driving


With a lift of 7.6 cm, the cushion gives you a clearer view of the road. This reduces blind spots and significantly increases your safety and driving comfort.

Superior Comfort with Memory Foam


The cushion is made from high-quality memory foam that perfectly molds to your body. This provides comfortable support and alleviates pressure points, even during long drives or workdays.

Ergonomic Support for Better Posture


The ergonomic shape supports your spine, reduces fatigue, and prevents back pain during prolonged sitting. It promotes a natural sitting posture, no matter where you are.

Durable and Easy to Clean


The breathable polyester is durable and machine washable, making maintenance easy. Thanks to the non-slip bottom, the cushion stays securely in place while driving.

Specifications:

  • Dimensions: 40.5 x 40.5 x 9 cm
  • Weight: 0.7 kg
  • Material: Memory foam and breathable polyester
  • Care: Machine washable cover

Instantly enhance your comfort and safety with the SitComfort Seat Booster Cushion, suitable for any chair.

Free standard shipping on all orders. No minimum purchase.

  • Ships to: United States
  • Processing: 1–4 business days (Mon–Fri)
  • Transit: 5–10 business days
  • Total delivery time: 6–14 business days
  • Order cut-off: 5:00 PM PST

You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.

See our full Shipping Policy.

You have 14 days from delivery to request a return.

  • Email support@open.shop with your order number to start a return.
  • Items must be unused, complete, and in their original packaging.
  • Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
  • Damaged, defective or incorrect items: we cover all return and replacement costs.
  • No restocking fees.
  • Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
  • Refunds are issued within 7 business days of inspection.

See our full Return Policy.

Questions about your order or our products? We're happy to help.

Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands

Email: support@open.shop

Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)

We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.

For quick answers, visit our FAQ page or use our Contact Form.