Thank you for viewing! (^-^*) 30 silicone rings, no hardware, clear Size: See photo 2 Simply attach your favorite parts to create: Umbrella markers Water bottle markers Charms, etc. If you would like to add more, they are 30 yen each, so please comment if you're interested. (*'▽'*) Also, items that can be shipped together will be discounted by 100 yen from the second item. Thank you! (*^ω^*)