Discount only available for bulk purchases! Measured with a tape measure. These are approximate measurements. S size: Neck circumference 24cm, Chest 36cm, Length 24cm Tried it on once, and the size didn't fit＿|￣|○ Why not transform your dog into a kindergartener (*'▽'*) Please refrain from purchasing if you are particular about minor details, as this item has been stored by a regular person. 2