Description:20Pcs Flute Open Hole Plugs Flute Repair Parts Woodwind Instrument AccessoryUse these plugs to seal the holes until they learn the proper hand position requiredThey are removed one at a time until player is comfortable with the open hole keyBrand new and high quality, durable in useMaterial: SiliconeSpecification:Color: WhiteSize Chart:Diameter: 7mm/0

28inch

Weight: 1gPackage Includes:5 Pieces Flute Open Hole PlugsNote:Due to the difference between different monitors, the picture may not reflect the actual color of the itemDue to manual measurement, there may be 1-2mm error in size