The size of the holder can perfectly fit the pockets of men's jackets such as suits and jackets. This is a perfect option if you want to use Square Holder with your own collection of pocket squares. Purchase does not include pocket square. Including: 8 Pocket Square Holders & Detailed Instruction for Use. Holder size: 3.4″width ×4.7″length. Usage: With the help of pocket square holder, pocket square can hold where they should be and get many different looks. Note: Pocket squares sell separately; These Pocket square Holders are thin, light weight, unnoticeable and specially designed to suit all kinds of breast pockets.