Polyester PRODUCT DETAILS- Includes 4 chair pads each of these mesures 16 x 16 x 1.5 inches. These dimensions are a perfect fit for almost all dining room, living room, play room, bedroom, and even outdoor chairs. Made with tight-stitching edging and durable fabric that is resistant to scratches and tears during daily use. HIGH DENSITY & COMFY FOAM- Our chair pads have a 1.5-inch thickness high-density memory foam for superior comfort and support. These will provide support for your body to reduce pressure on hips, lower back and tailbone. Perfect for long-time use. NON-SLIP BACKING- Our Non-slip bottom chair pads provide secure grip, preventing slips and slides for enhanced safety and stability. Besides, there are two ties at each chair pad to make it easy to attach cushions to furniture and keep them neatly and safely in place OEKO-TEX 100 STANDARD CERTIFIED- All our products are STANDARD 100 by OEKO-TEX. According to the guidelines, these products are tested for harmful substances and produced in an environmentally friendly and socially responsible manner. Each fabric batch is also tested for various durability features such as no-pilling, low shrinkage, color fastness, etc. Then they are stitched, individually inspected to be defect free and finally, packed for sales. EASY CARE- These chair cushions are machine washable. Machine wash cold, do not bleach, do not iron, just tumble dry with no heat and your chair pads will look as good as new.