---
product_id: 365960645
title: "FOMIExtra Thick Water Resistant Seat Cushion (18\" x 16\" x 3.5\") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair"
brand: "fomi"
price: "501 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/365960645-fomiextra-thick-water-resistant-seat-cushion-18-x-16-x
store_origin: RO
region: Romania
---

# 18" x 16" x 3.5" Water Resistant Orthopedic Support FOMIExtra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair

**Brand:** fomi
**Price:** 501 Lei
**Availability:** ✅ In Stock

## Summary

> 🪑 Sit Smart, Live Better!

## Quick Answers

- **What is this?** FOMIExtra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair by fomi
- **How much does it cost?** 501 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/365960645-fomiextra-thick-water-resistant-seat-cushion-18-x-16-x)

## Best For

- fomi enthusiasts

## Why This Product

- Trusted fomi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Use Anywhere:** Ideal for office chairs, cars, or dining rooms, this cushion enhances comfort wherever you sit.
- • **Ergonomic Curved Surface:** Promote proper posture and spinal alignment with a design that cradles your body and evenly distributes weight.
- • **High Density Memory Foam:** Enjoy lasting comfort with heavy-duty foam that maintains its shape, even for heavier users.
- • **Cut-Out Design for Comfort:** Experience unparalleled support with a unique cut-out that alleviates pressure on your spine and tailbone.
- • **Incontinence & Spill Protection:** Stay worry-free with a durable cover that guards against spills and incontinence, perfect for everyday use.

## Overview

The FOMI Extra Thick Water Resistant Seat Cushion is designed for ultimate comfort and support, featuring a unique cut-out design that alleviates pressure on the spine and tailbone. Made with high-density orthopedic memory foam, it provides excellent back support while protecting against spills and incontinence. Measuring 18" x 16" x 3.5", this versatile cushion is perfect for use in cars, office chairs, or dining rooms, ensuring you sit comfortably wherever you are.

## Description

FOMIExtra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair

## Features

- UNIQUE CUT-OUT DESIGN: This firm, high density memory foam cushion reduces pressure on your spine, tailbone, and lumbar discs. It ensures your tailbone doesn't touch the sitting surface, preventing discomfort or soreness.
- INCONTINENCE PROTECTION: The cover is made up of pu leather and tpu coating which protects the cushion from elderly incontinence or everyday spills. The cover will not however protect water from entering the cushion in a bath or shower.
- RELIEVES PAINFUL PRESSURE POINTS: Provides excellent back support and relieves the side effects resulting from pressing on the lower tailbone area. Getting rid of this pressure helps relieve hip and back pain, pregnancy related pain, herniated discs, sciatica, an injured tailbone, pressure sores, and numbness.
- FIRM, HIGH DENSITY MEMORY FOAM: Heavy Duty Thicker Memory Foam to Support Heavier Users. (Size - 18" x 16" x 3.5"). High density prevents cushion from flattening.
- CURVED SURFACE PROVIDES SUPPORT FOR BUTTOCKS, HIPS, AND THIGHS: Ergonomic design gently cradles your buttocks and the back of your upper thighs with its curved surface, evenly distributing weight and promoting proper posture and spinal alignment. Perfect for Office, Car, Kitchen, or Dining Room Chairs.

## Product Details

- **Brand:** FOMI
- **Special Feature:** Waterproof
- **Color:** Black
- **Size:** 18" X 16" x 3.5"
- **Fill Material:** Memory Foam

## Images

![FOMIExtra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair - Image 1](https://m.media-amazon.com/images/I/61A34bIFahL.jpg)
![FOMIExtra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair - Image 2](https://m.media-amazon.com/images/I/61KUDAdmwHL.jpg)
![FOMIExtra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair - Image 3](https://m.media-amazon.com/images/I/61O-pHQ0lZL.jpg)
![FOMIExtra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair - Image 4](https://m.media-amazon.com/images/I/516VMoZHNzL.jpg)
![FOMIExtra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair - Image 5](https://m.media-amazon.com/images/I/619qyq14-NL.jpg)

## Frequently Bought Together

- FOMI Extra Thick Water Resistant Seat Cushion (18" x 16" x 3.5") | Orthopedic Memory Foam | Incontinence and Spill Protection | Large Pillow for Car or Truck Seat, Office Chair, Wheelchair
- Sures Waterproof Chair Pads for Incontinence (22" x 21") - Washable, Waterproof Seat Protector - Chair Protector Seat Cover - Absorbent Incontinence Pad for Bed, Seat, Car Wheelchair & Recliner (Gray)

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**Shop now:** [https://www.desertcart.ro/products/365960645-fomiextra-thick-water-resistant-seat-cushion-18-x-16-x](https://www.desertcart.ro/products/365960645-fomiextra-thick-water-resistant-seat-cushion-18-x-16-x)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-29*