The surface is made of super high quality oxford fabric with stripe design and water proof bottom(back coating),Prevents ground moisture,dirty,sand from penetrating.This Outdoor Blanket Measures 59" x39", Fit for 2-3 People, It Was Only 11.8" x 7.87" When Roll Up, 2.46 pounds.Our picnic mat is not just outdoor blanket,it also serves as floor mat, kids playing mat,ground mat as well as pet seat cover, a great mat for family. It is a perfect choice of decent gift for family,friends.This picnic mat have other larger sizes,welcome to consult.