78.0 by 6.0 by 2.3 cmAdditional product info:Just insert it into your smartphone case, and you can use it as a multi-holder shoulder strap! The strap length is adjustable, making it convenient to use. If you remove the strap, you can use the round carabiner to support your smartphone or attach it to a bag handle.This product is intended for ages 15 and up. Do not give it to infants or toddlers. There is a risk of accidental swallowing or strangulation with the strap. This product is a shoulder strap; do not use it as a neck strap. Do not wrap the strap around your fingers or other body parts, as it could cut off blood circulation and be dangerous.It is recommended that the hole size of the charging cable for the smartphone case you use has a width of 1015mm and a thickness (height) of 6.5mm or more. It can also be used with a width of more than 15mm, but be cautious, as the design sheet may easily come out of the charging hole. Additionally, even with the recommended size, depending on the combination of smartphone and case, it may come out easily. Please check that the carabiner does not come out easily after attaching this product. Do not use this product while running, jumping, or jumping from high places with it attached to your smartphone. Rough use can cause the smartphone to fall if excessive force is applied.