Size is approx: 70.0 by 5.0 by 1.7cmAdditional product info: You can use the Maru Rika Angle Plus to support holding your smartphone by inserting it into the smartphone case, or attach it to a bag for various uses. The shoulder strap can be adjusted to any length by attaching or detaching parts.The image is for illustration purposes only.The smartphone is not included.- This product is a shoulder strap type. It is recommended for smartphone cases with a charging port size of 10-15 mm in width and a hole thickness of 6.5 mm or more. Even if the dimensions are recommended, the combination of smartphone and case may make it easy to come off.- Do not give this product to infants and young children, as there is a risk of suffocation from swallowing or wrapping the strap around the neck. Especially, keep detached strap parts out of their reach.- Do not run, jump, or jump down from a high place while the smartphone is attached to this product. Rough use can cause the strap to detach and lead to the smartphone falling.- Using excessive force when detaching the strap parts may cause damage.