What are the dimensions of the pillow? Melissa July 06, 2018 18:11 Updated We offer the Endy Pillow in 2 sizes: Standard which are 28" x 20" and the King which are 35" x 20". Sold individually. Related articles What is the pillow warranty? Can I wash my pillow? Is the Endy Pillow organic? What type of bed frame should I use with Endy? Is the mattress protector waterproof?