Unique ergonomic design with high-quality PU leather gives comfortable touch, perfect for your daily life. This ergonomic chair is also equipped with flip-up arms for position reinforcement. Keeping you comfy for long hours of game or work. Thick padded back & seat cushion brings you to the next level of comfort. Color: Black,White,Blue,Gray,Red. Features: Ergonomic design; Flip-up armrests; Seat height adjustable; 360-degree swivel base; Scratch and stain-resistant bonded leather; High-density thicker sponge ( high resilience and high permeability); Explosion-proof gas spring of international standards; 5-star metal base; Smooth-rolling quiet nylon castors make a super stable structure; Easy-to-follow instructions. Materials: Faux leather, High-density foam, Metal Base. Dimensions: 27.6"W x 26.6"D x 45.6"-48.8"H. Weight Capacity: no more than 250 lbs.