[PREMIUM MATERIAL] This blade is made of stainless steel, no need sharpening, rustproof and durable. [DESIGNED] It breaks the ingredients into their nutrient-rich state, more absorbent with the blade, which can effortlessly transform fruits, vegetables, and protein drinks into a delicious and smooth texture. [CONVENIENT] The wires are straightened for easy startup. Includes pre-installed rubber gasket for a complete seal with mug. [GOOD KITCHEN UTENSILS] Make healthy cooking easier. Makes it easy to prepare your favorite meals and smoothies in no time. [WITH RUBBER SEAL] The threads are smoothed for easy use. Includes rubber gasket pre-installed for a complete seal with the mug. TIPS: 1. Recommend replacing the blade every 6 months for optimal performance. 2. Please ensure the blade at the bottom is tightened before use. 3. Please make sure the rubber gasket is snugly inserted into the bottom blade. The rubber gasket helps prevent leakage. 4. Please ensure the bottom blade is securely tightened onto the cup before using. 5. To avoid spilling, do not fill past the "Max" fill line. Compatible with 600-Watt Series Blender: -101, -101B, -101S, NBR-0601, NBR-0601WM, NBR-0801, NBR-1201, etc. Compatible with 900-Watt Series Blender: -201, NB9-0901, NB9-0901B, NB9-0901T, NB9-0901G, NB9-0901PINK, NB9-0901PUR, NB9-0901COR, NB9-0901S, NB9-0901W, NB9-0901RG, NB9-1301, NB9-1301PINK, NB9-1301G, NB9-1301B, NB9-1301COR, NB9-1301K, NB9-1301R, NB9-1301RG, NB9-1301S, NB9-1301T, NB9-1301PUR, NB9-1301W Color: Gray + Silver Material: Stainless Steel + Plastic Package Contents: 2 x Blender Blade Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item to appear slightly different from the real thing. Measurement allows an error of +/- 1-3 cm.