Polyester CONTENTS & MEASUREMENTS-Includes 2 chair pads each of these mesures 16 x 16 x 1.5 inches. Stitched perfectly making it more durable. These dimensions are a perfect fit for almost all dining room, living room, play room, bedroom, and even outdoor chairs. NON-SLIP BOTTOM- Keep your Elegant Comfort chair pads in place. Our seat cushions for chairs feature a slip resistant backing to keep chair pads not slipping when sat on. Besides, there are two ties at each chair pad to keep it securely in place SOFT & COMFORTABLE- These chair pads are made of a high density memory foam filling with a durable soft Honeycomb textured polyester cover, it will give you enough back support and also enables the cushion to maintain its original shape after sitting on that for a long time. 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. 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.