Features: 1. Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2. If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3. Animal glue has been used by musical instrument makers widely.4. Good bonding performance, high strength, less moisture, fast drying, good bonding and shaping.5. It is extremely strong when mixed carefully, especially suitable for bonding and pasting hardcover to obtain good results.6. It has the advantage over many modern glues in that joins can easily be separated with a hot knife making it ideal for violin family instruments which require frequent dismantlement.7. Not only for instruments,but it can be used for your broken furniture.How to use: To prepare the glue, you must soak the granules in cold water for several hours until they soften and become gel-like.Specifications:Material: Bone GlueColor: AmberSize:3-5mm/0.12-0.19inch(Diameter)Weight:About 60gPackage Content:1x 60G bag Animal Glue