Specification Brand : YAFANG Color : Black MaterialType : Neoprene NumberOfItems : 1 PackageDimensions_Weight : 3.50975921104 PackageDimensions : L:10.749999989035 X W:9.7199999900856 X H:2.7199999972256 ProductGroup : Health and Beauty ProductTypeName : WEARABLE_WEIGHT Size : Medium (Pack of 1) SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/410OO+QC2PL._SL75_.jpg SmallImage_Width : 75 Title : Weighted Vest for Kids with Sensory Issues(Ages 5-9, Medium) – Weighted Compression Vest for Children with Autism, ADHD, SPD, Sensory Overload, Includes 3lbs Removable Weights (Black) Weight : 3.5 WeightUnit : pounds