Includes sealing ring for leakproof operation when making juices, smoothies, soups, sauces, etc. Compatible with various models of Nutri Ninja blenders for easy installation and replacement. Durable construction ensures long-lasting performance and reliability during high-speed blending tasks. Easy cleaning design allows quick rinsing after use to prevent buildup and extend blade life. Precision engineering provides superior cutting action, ensuring smooth blends without lumps or chunks..syi