Features: 1) Special part to put sponsor's logo and the logo is replaceable 2) Simple, fast and easy mounting on base part 3) Rigid, durable fixation, suitable for daily practice of stadium audience/vandalism 4) Has water drainage channel which is covered by seat number5) Sponsor tag can be placed and removed without damage to the seat6) Slope angle can not be adjusted7) Variety of colors available producing area:China payment:T/T, L/C at sight supplying capacity:100,000pcs/month