Size is approx; 10 by 5.2 by 1cmAdditional product info: Simply insert it into your smartphone case to use as a multi-holder shoulder strap! The strap is adjustable, making it easy to use. By removing the strap, you can use the round carabiner to support holding your phone or attach it to items like bag handles. Comes with an acrylic charm in a Pokeball design! This product is a shoulder strap type. It is recommended for smartphone cases with a charging port size of width 1015mm and thickness of 6.5mm or more. Even with recommended dimensions, the combination of the smartphone and case may make it easy to slip out. Do not give this to infants, as there is a risk of choking or strangulation with the strap cord. Do not wrap the strap around fingers or arms, as it may stop blood circulation and is dangerous. Do not use this product in a rough manner, such as running, jumping, or leaping from high places while the device is attached. Excessive force may cause the device to fall.