Choose the fabric that can face all the wear and tear as they are pushed and pulled in the all directions. Apart from this, it should be durable stitched to add strength. While buyingcheck whether it is up to the mark or not. Washable bean bag chair us a better option to remove the dirt and stains.
The exact shape:
It is not only about the size, the right shape is equally important. To give rest to your back and stretch your legs, opt for pear and teardrop shaped bean bag. In spite of this, the manufacturers have created various shapes, such as pillow shaped, kiddie shaped, pancake shaped and chair shaped bean bag.
Same as the fabric, the inside stuff of bean bag chairs decides its fluffiness and softness. Some fillings can be noisy and crackling, the bag will make weird sounds.
The bean bag should be stuffed with soft sponge, and will depress with your body weight, but should be firm enough to support you frame. With soothing, it should be durable as well, sitting on it for hours should not destroy it.
The Polystyrene beads are light weighted and easy to move around. But this may flatten over the time, and demand refiling. Except the polystyrene stuffing, there are many options like, natural latex, shredded urethane foam, super filling, etc.