US Sizes: XSmall Back Seam 15" Depth of Blanket 8" Length of Blanket 21" Small Back Seam 16" Depth of Blanket 10" Length of Blanket 24" Medium Back Seam 18" Depth of Blanket 11" Length of Blanket 28" Large Back Seam 21" Depth of Blanket 13" Length of Blanket 31" XLarge Back Seam 24" Depth of Blanket 14" Length of Blanket 36" XXL: Back Seam 27" Depth of Blanket 16" Length of Blanket 41" XXXLarge Back Seam 30" Depth of Blanket 17" Length of Blanket 45"