Size is approx. 89.0 by 1.0 by 0.5cmAdditional product info; Just by inserting it into your smartphone case, you can use it as a Multi-Holder Shoulder Strap! The strap is adjustable in length, making it easy to use. If you remove the strap, you can use the round carabiner to support holding your smartphone or attach it to a bag.- This product is a shoulder strap type. It is recommended for smartphone cases with a charging port width of 10-15mm and a hole type thickness of at least 6.5mm.- Even within the recommended dimensions, it may be easy to slip off depending on the combination of smartphone and case.