Portable Putting Green - 3.5m x 1.5mTransform your indoor outdoor space into an instant putting green with the Kaizen Portable Putting Green. Key features: Standard dimensions 3. 5m x 1. 5m with 2 cups and flags 12mm putting surface offering a true roll 35mm fringe great for chipping practice 5mm rubber backing No complicated set up required simply roll unroll UV treated and water proof practice your short game both indoors and out No infill required Green speed is around 10 on the stimp