This is a glow-in-the-dark rubber keychain from MOONEYES. It glows quite brightly. Size (excluding key ring): 5cm (H) x 5.5cm (W) Total length including key ring: 9.7cm If you purchase multiple items and would like combined shipping, we will offer a discount on the shipping cost. Please contact us before purchasing. Since shipping will be via Mercari, price changes cannot be made after purchase. Thank you for your understanding. No stains, tears, or odors.