AMSI Flex-Turf is one of the most popular products. It is a foam mat 1/8" thick covered with our blended colors and will fit over hills and curves without wrinkles. The flex-turfseams beautifully. Just use a little watered down white tacky glueinthe centerof thetwo seams and sprinkles loose grass pieces over white glue to cover the seams. Each piece is 12" x 24" in length.