The Eson Nasal Mask Headgear in size Med/Lrg by Fisher & Paykel is a high-quality accessory designed for use with Fisher & Paykel products. Made of Breath-o-prene material, this headgear offers a comfortable fit with its intuitive design and ergonomic shape. It is lightweight, weighing only 1.41 ounces, and package dimensions are 10.28 X 7.6 X 1.38 inches, making it convenient to handle and store. Perfect for those seeking a durable and reliable headgear to enhance their sleep experience.