Protect the mixer: 3 items of rubber seal for the blade of the Ninja Blender to effectively preserve the performance of the blade (Note: the blade, now not appropriate for the lid) not easy to deform, comfortable and easily rinse off the seal below water Easy installation: only with the aid of a small device can you easily update the previous seal, a pragmatic accent Rubber seal like minded with 6/7 fin blade blender mixer 900W BL450-70, BL451-70, BL454-70, 1000W BL480-70, BL480W-70, BL483-70, BL484-70 colour:Transparent White Material:rubber size:Diameter: 10cm Package Contents: three x juicer seal ring Only the above kit content, other merchandise will not be included. Note: Light and sundry reveals may cause the color of the article within the photo slightly different from the genuine thing. The measurement allowed error is +/- 1-3cm.