1. and removable cover The pillow cover is made of durable, breathable polyester fabric with a waterproof coating, is UV protected and light resistant, and you a comfortable outdoor experience. Removable cover with zipper for easy cleaning and replacement. Zippers are hidden and invisible. 2. Improved cushion foam The thicker, powder , highly elastic foam can quickly to its original shape after prolonged sitting and provides you with a soft and comfortable experience. This can not only effectively relieve the pressure on your body and increase your comfort, but also increase the durability of the outdoor terrace cushions after long term use. 3. Non slip straps and piped edges The non slip straps can be attached to your furniture to keep the outdoor cushion in place. Some seams are piped, which both reinforces the edges and makes the outdoor furniture cushion more stylish. 4. Exquisite craftsmanship The fabric is waterproof and does not fade easily in sunlight. It also has good UV resistance. You can feel super comfortable and soft when you touch it or sit on it. By attaching with straps, the cushions stay firm when sitting.