Complete 4-in-1 Storage System: Our Stanley organizer set includes 2 magnetic cup racks, a lid rack, and a straw holder. Provides the perfect storage solution for Stanley cups and accessories. Strong Compatibility: This Stanley tumbler organizer is designed for Stanley 20/30/40oz cups, yet fits most popular same-sized cups. It also neatly stores coffee cans, spice jars, and more. Powerful and Secure Magnetism: Features extra-strong magnets that create a firm, reliable grip on any metal surface—such as refrigerators, microwaves.​ Sturdy and Durable Material: : This water bottle organizer is made of high-quality carbon steel and will not deform even after long-term use. And we provide customers with a two-year warranty. No-Tool Installation and Clean Removal:​ This magnetic cup holder requires no assembly—use it right out of the box. It removes without a trace and can be repositioned anywhere for ultimate convenience. The Stanley cup holder is an excellent choice for storage essentials. It can efficiently save storage space and keep various cups neatly organized at all times. Boasting strong compatibility, this cup holder not only fits most 20 30 and 40-ounce Stanley cups available on the market but also can easily accommodate other styles of water bottles, spice jars, and other items. What's more, the supporting straw storage rack and lid storage rack further improve space utilization efficiency, maximizing the use of the storage area.