Thank you for finding my product among many others! ♡ This is an umbrella marker that can be used to identify your umbrella, etc. The silicone ring has an inner diameter of approximately 13.5mm. It stretches and shrinks, making it easy to attach. Motif size: 1.8cm (height) 2.6cm (width) ◎Important◎ Regular mail (定形外郵便) does not have insurance. Please note that we cannot offer refunds or resend items in the event of loss or damage during shipping. If you are concerned, we can change the shipping to a method with insurance, so please comment before purchasing. (Shipping with insurance costs 1290 yen) Keywords: Marker accessory, marker, Akabeko, Akabeko, amulet, charm