・Product Information Size｜Length is about 8.7cm, diameter is about 9.5mm. Accessories｜Accessories box, maintenance wipes, kraft paper pouch ·Precautions 1｜Each work is handmade, and the wood is natural material, there may be slight differences. 2｜The surface of solid wood is treated with wood guard wax to prevent water repellency, but please wipe and keep dry after contact with water. 3｜The solid wood part may have small cracks due to factors such as temperature, humidity, etc., so avoid placing the product in an environment of extreme temperature and humidity. 4｜The whistle mouthpiece will be wiped and disinfected with alcohol before shipment. ・About green light woodwork Choose a way of not painting or staining, Show everyone the most natural and pure appearance of wood, The jewelry series works are created by stitching together different wood textures and colors, Pass the warmth and beauty of wood.