Features: Premium sponge component ensures lasting comfort and noise reduction for B250 ear cushions, featuring ergonomic design that molds to ears during extended calls or music event . These general fit ear pad combine tool easy installation with precise compatibility for B250 and similar headsets, using breathable sponge to balance durability with softness. Designed for professional, drives , and audiophiles who require fatigue easy wear during 8+ hour workdays or travels. Maintain clear communication in bustling offices, busy warehouses, or crowded transit systems with enhanced noise isolation performances. Engineered with reinforced sponge edges to prevent deformation, these replacement ear cushions preserve sound clear while protecting your original headsets . Specifications: Component : Sponge Size: about 52x52x10mm/53x53x15mm(optional) Package Includes: Pair Headphone Case 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.