Indoors or outdoors, these water resistant pillows are great for ages 9 months and up! The outer covers are made of 100% nylon pack cloth with durable water repellent coating and feature both a zipper and hook & loop closure to keep out moisture. The outer cover can be removed for cleaning, but most stains easily be wiped off. The shredded foam is encased in a water resistant sewn-closed inner poly/cotton cover. 27"L x 27"W x 6"H each