Please for one 
 
They come with a plush artificial leather seat that's perfect for those marathon gaming sessions. Plus, they've got these semi-hard ferrules on the bottom to keep your floors scratch-free and stop the stool from slipping and sliding.
Materail: stainless 201
Size : about 38 x 38 x 48 cm (15 x 15 x 19 inch)
Weight : 3.6 kg (8.2 lb)
Weight Capacity :4.5kg
Cloth : Black Synthetic Leather  
Think Cusion Type