[Packing Include]: Gasket Included with each Lid. You can make low-carb smoothies after your workout, Both lids fit perfectly and Can keep your smoothies fresh at any time of the day. They don?t leak. They are sturdy and wash up perfectly by hand or in the dishwasher. [Compatible Brand]: Compatible with all for NutriBullet Cups: 18oz (Short), 24oz (Tall), 32oz (Huge) Mugs, Compatible with the 600W and Pro 900 High-Speed Blender System. NOT Compatible with for Nutri Bullet Lean (1200 watts) or RX (1700 watts) accessories. This Cup and Lids are NOT Compatible with Other Brand blenders. [CUP SIZE]: Flip Top To-go Lid Diameter 4.13 inches. Flat Lid Size: Inner size approx: 3.15Inch, outside diameter: 4.13Inch. [Premium Quality] High-Quality parts, BUT QUALITY IS THE SAME AS THE STANDARDS. Design improved for more durability, Stable. Easy to Install.<br><br>Colour:gray Material:plastic<br><br>Package Contents: 2 * cover<br><br>Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.