CAPACITY: 3, 38CM holds up to 15 cans/bottles, Suitable for most standard sizes cans and bottles (12oz, 16oz, 16.9oz, 20oz).and the width can be adjusted, if something bigger than that, which don't move forward smoothly, you just need to adjust the width, do not install the metal divider too tightly. The drink holder for refrigerator using Recycled Plastic with spring loaded, sturdy materials, skinny surface to ensure high-performance and durability. More load-bearing and more wear-resistant. Assembled easily, has good tension and roll on it, cans move straight to the front without snapping around. There is adhesive on the bottom that you can use on your shelf if needed so it doesn't slide around.