Size is approx; 16.0 by 11.7 by 1cmAdditional product info; Multiholder, a soft silicone bracelet that can also be used as a hand strap. Simply insert it into your smartphone case to add a strap and hold your phone.The carabiner part can be used for various purposes like hanging glasses, keys, masks, or attaching to a bag or belt loop.Handling Precautions:- It is recommended that the size of the charging port of the smartphone case is width 10-15mm and thickness 6.5mm or more. Even with the recommended dimensions, it may come off easily depending on the combination of smartphone and case.- Do not wrap the silicone bracelet around fingers, etc. It is dangerous as it can restrict blood flow.- If you experience any allergic reactions or abnormalities on the skin, stop using immediately and consult a doctor.Smartphone not included.