Size (Small): 6.94" x 3.5", with black .39" wide collar, adjustable 7.8" to 11.8" 

Size (Medium): 9.13" x 5.5", with black .59" wide collar adjustable 10.2" to 17.3"

Size (Large): 12" x 7.3" with black collar 79" wide, adjustable 12.6" to 19.7" 

Size (X-Large): 14.5" x 9" with black collar .98" wide adjustable 14.6" to 23.6"

Material: Polyester Duck Fabric

Care:  Machine washable cold/ tumble dry low