Optimized Size for Large Beverages: Designed specifically to hold half-gallon (approximately 1.89L) bottles securely, this cup holder adapter features internal dimensions tested to fit most standard large-capacity plastic cans. It prevents tipping and rolling, ensuring your beverages stay upright and accessible during travel or storage. Tool-Free Installation on Standard Milk Carts: The adapter slots seamlessly into standard holes found in ordinary plastic milk cartons or mesh trays. This quick, tool-free installation guarantees a stable and secure fit, making it easy to set up without any hassle or additional equipment. Durable Plastic Construction: Crafted from sturdy plastic material, this cup holder adapter offers long-lasting durability while maintaining a lightweight profile. Its robust build withstands daily use in various environments, providing reliable support for heavy beverage containers. Versatile Usage Across Multiple Settings: Perfectly suited for trunks, camping picnics, garage workbenches, and home storage areas, this adapter helps organize large-capacity drinks efficiently. It keeps beverages within easy reach and prevents clutter in diverse scenarios. Unique and Humorous Gift Idea: Combining practicality with a creative twist, this cup holder adapter serves as a funny yet useful gag gift. Ideal for parties, holidays, or special occasions, it brings laughter while solving common beverage-carrying challenges. Description: The cup holder adapter offers a practical solution for carrying large-capacity beverages, freeing your hands and preventing cans from rolling in vehicles or on the ground. Designed to fit standard holes in plastic milk cartons or mesh trays, it installs quickly and securely without tools. Its optimized internal dimensions provide stable support for common half-gallon (1.89L) bottles, ensuring they stay upright during transport. This innovative adapter also makes a creative and humorous gift for friends, perfect for parties, holidays, or special occasions. Ideal for use in trunks, camping, garages, or home storage, it keeps large drinks organized and easily accessible. Item Name: Cup Holder Adapter Material: Plastic Features: Easy Installation, Unique, Stable, Portable Size Details: L: 12cm/4.72", W: 12cm/4.72", H: 21.5cm/8.46" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cup Holder Adapter