1.HighQuality Materials: Zero Gravity Chair is made of smooth, breathable, comfortable and waterproof nylon fabric. The high quality nylon fabric is tear resistant. Strong elastic straps hold the seat in place and provide you with strong support. The lounge recliner chair has a strong and durable iron tube frame, while the triangular structure is designed to provide more stable support and can support up to 300 pounds of weight. 2.Lockable to Different Positions: There is a little locking ring on each side, under the front of the armrest, that will lock in your recline position. You can push your butt all the way back into the seat and lean back and it starts to slowly recline. The chair are great at relieving your aching neck and back. Then you have the feeling of zero gravity, very comfortable and relaxed, easy to fall asleep. 3.Fold Up for Easy Storage: This folding gravity patio chair is designed for easy storage and saves space when not in use. And they are lightweight as well. The weight of each chair is 15.2 LBS. You can fit the lounge chair into the trunk of your car, which is ideal for camping and travel. 4.Removable Cup Holders and Pillows: Outdoor recliner chair with a removable tray and pillow. The plastic trays are fantastic and hold a surprising amount of weight. It can be placed on either side of the chair. You can use it to put coffee, cell phone, iPad, spaper or others, it is very convenient. Whether you are sitting or lying down, the pillow can bring you more comfort.