Features: Lightweight perfect round shape design. Standard size cymbal stand felts washers, available for shelfdrums. High quality felt material, prevent metal-to-metal contact,perfectly protect your precious drum cymbal. Improve your drum cymbal sound and performance. Felt washers and cymbal sleeves and work together properly,and protect your drum from friction. Specifications: Material: Plastic+Felt Weight: 27g Color: Black/Gray Cymbal Felt： Diameter: Approx. 25mm/0.98Inch Inner Dia: Approx. 10mm/0.39Inch Height: Approx.15mm/0.59Inch Cymbal Sleeves: Size: Approx.38x38x26mm/1.49x1.49x1.02Inch Inner diameter is about: 8.8mm/0.34Inch Package Includes: 8 Pieces Drum Cymbal Felt 2 Pieces Cymbal Sleeves note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.