PERFECT SIZE - Measure corner-to-corner of your shams, pulling tight along outer edges. All shams should be measured, regardless of size indicated. Inserts should be larger than shams for a full look. This 16x20 inch pillow insert is recommended for use in a 16x18, 15x19 or 16x20 inch sham. ULTIMATE SOFTNESS AND VERSATILITY - Upgrade your sleeping experience with Pillowflex--the perfect solution for achieving years of luxurious comfort. ur 60+ sizes of pillow inserts fit any pillow cover - from accent, shams and lumbar pillows to travel, and more. ALLERGY FREE - These cuddle pillows are perfect for your sofa or bed! We provide a cruelty-free, odorless, lint-free and dust-free comfort experience perfect for the bed or sofa. Plus, they are made without flame-retardants so you can sleep better at night. ULTRA SOFT - Our superior pillow inserts offer a luxurious look, with a smooth polyester fiber that's soft to the touch. Heavyweight and fluffy texture like down, the covers are made of a high quality blend of polyester and cotton. Upgrade your décor now! MADE IN USA - Enjoy a great sleep with one of our Palmetto, GA-made handmade pillows. Crafted with sustainably sourced fiber & poly-cotton blend shell, they offer both comfort & durability. Support American Manufacturing and buy a premium sham pillow insert now!