COMPATIBLE WITH: This 30oz cup is a replacement jar compatible with Rx 1700W -301 and N17-1001 blenders. This item replaces part numbers NBM-U0272 and -VE019. Simply attach your blade to this cup and blend. This cup is NOT compatible with any other models. SIZE AND SET: This set includes two 30-ounce single-serving handled containers with two screwed-on lip rings for making small personal blended drinks, smoothies, and easy sipping. Cup opening is 4 inches and the top, including threads, measures 4.65 inches. VERSATILE USAGE: The replacement jar is compatible with Rx models, allowing you to enjoy your favorite smoothies, shakes, and soups without any interruptions. Please note that these jars are compatible with RX models ONLY. EASY TO CARE: This replacement jar is top rack dishwasher safe, making it easy to clean, maintain, and reuse. EASY TO USE: Simply swap out the old or broken jar and replace it with these cups to ensure a smooth and efficient blending process. HIGH-QUALITY MATERIALS: This aftermarket replacement jar is made of impact-resistant plastic, providing a durable addition to your blender. Color: Gray Material: Plastic Package Contents: 2 x Juicing Cups Note: Only the items listed above are included; other products are not included. Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.