Purchased in 2022. The original cover was green, but it got dirty, so I bought a replacement from Nitori. The beanbag cushion uses a fluid material for the filling, so it has a general fullness. The size varies depending on usage and how it's measured. Body weight: Approximately 3.5kg, Bead filling: 3.0kg Composition: Outer cover: Stretch fabric: 85% polyester, 15% polyurethane; Non-stretch fabric: 100% cotton; Inner material: Side fabric: 95% polyester, 5% polyurethane Filling: Expanded polystyrene beads, diameter approximately 0.5mm Because it's a cushion you sit on every day, it has a cover that can be removed and washed. Made in Japan. The two types of fabric with different stretch properties provide a variety of seating options to soothe your body and mind. Sit deeply and firmly: When you sit on the stretchable side, it doesn't sink in much and maintains a firm height, allowing you to sit like you're on a stool. Sit comfortably: When you sit on the non-stretch fabric side, it molds to your body and transforms, becoming your own personal sofa.