Heart Buckle Dimension: 3.1" x 2.65". Tip dimension 1.35" x 1.3" Strap made of quality leatherette Width is 1.35" Starting of strap to nearest hole and farthest hole: S: 31"(nearest hole) , 35"(Farthest hole) M: 34"(nearest hole) , 38"(Farthest hole) L: 37"(nearest hole) , 41"(Farthest hole) Total Strap length (not including buckle) S :38",M : 41",L: 44