Protect the mixer: 3 pieces of rubber seal for the blade of the Blender to effectively maintain the performance of the blade (Note: only for the blade, not suitable for the lid) not easy to deform, soft and just rinse off the seal under water Easy installation: only with the help of a small tool can you easily replace the old seal, a practical accessory Rubber seal compatible with 6/7 fin blade blender mixer 900W BL450-70, BL451-70, BL454-70, 1000W BL480-70, BL480W-70, BL483-70, BL484-70