This Slotted Rubber Stopper fits tightly and securely in a range of applications because it is built with precision and durability. Made of high-quality rubber, this flexible and long-lasting slotted stopper ensures a tight seal that keeps liquids securely contained. The slotted design adds even more versatility by being easy to insert, remove, and reposition in a variety of combinations. The superb construction of this slotted rubber stopper guarantees durability and resilience to wear and strain.