1--Fresh PP plastic chair boards are strong and innocuous,safe for long time using; 2--Fashion style with strong frame; 3--Can be stacked,for saving your space; 4--No need of desk,only with the writing tablet to make your reading and writing more easy and comfortalbe; 5--With ergonomic features design,the seat and back is comfortable,help to grow your body an upward tendency; 6--Plastic footpad under frame to keep the ground out of scratching; 7--Colour options available are Black,Light Gray,Dark Blue,Light Blue,Red,Green,Yellow,or as your request.