Mattress topper

Abstract

A mattress topper includes a cover. The cover includes a top fabric, a bottom fabric, and a plurality of gusseted sidewalls. The plurality of gusseted sidewalls includes a first edge connected to the top fabric, and a second edge connected to the bottom fabric. The plurality of gusseted sidewalls is stitched to a skirt. The cover further includes a filler layer including polyester fiber and polyurethane sponge. The filler layer is connected to the cover by quilting.

The invention claimed is: 
     
         1 . A mattress topper comprising a cover; the cover comprising a top fabric, a bottom fabric, and a plurality of gusseted sidewalls; wherein
 the plurality of gusseted sidewalls comprises a first edge connected to the top fabric, and a second edge connected to the bottom fabric; and the plurality of gusseted sidewalls is stitched to a skirt; and   the cover further comprises a filler layer comprising polyester fiber and polyurethane sponge; and the filler layer is connected to the cover by quilting.   
     
     
         2 . The mattress topper of  claim 1 , wherein the top fabric comprises woven fabric, knitted fabric, or non-woven fabric, and the fabric weight is within the range of 80-350 g/m 2 ; the bottom fabric comprises woven fabric, knitted fabric, or non-woven fabric, and the fabric weight is within the range of 50-110 g/m 2 . 
     
     
         3 . The mattress topper of  claim 1 , wherein the plurality of gusseted sidewalls is in the shape of a circular arc surface. 
     
     
         4 . The mattress topper of  claim 1 , wherein the skirt comprises a bottom edge and a circular elastic band disposed on the bottom edge. 
     
     
         5 . The mattress topper of  claim 1 , wherein the polyester fiber in the filler layer has a thickness of 0.7-15 D and a length of 32 mm, 51 mm, or 64 mm. 
     
     
         6 . The mattress topper of  claim 5 , wherein a mixing ratio by mass of the polyester fiber to the polyurethane sponge is 1:1, 8:2, 7:3, or 6:4. 
     
     
         7 . The mattress topper of  claim 1 , wherein the cover is connected to the filler layer by quilting to form a regular pattern selected from a square, a rectangle, a diamond, or a wavy line.