when i view in 3x3 rectangle ad I not understand !!! c 3x3 is a square, i contacted the seller and he confirmed to me that it is a 3 carré.3sur BUT when I got there lai messure 2m.80l on 3m.25 The color is good, not the good comes quickly.But mesures.jai put 4 stars for the quality of the product very sturdy .viens of germany German seller.