Material: spruce. Load capacity: 66lb/30kg. Hole size:3.3x3.3in/8.5x8.5cm. Product Features: Our wine rack is made of high quality spruce. It is super strong and can hold the capacity up to 66lb/30kg. So there is no worry to put your wine bottles on the rack. On the top of the wine rack, the V shape parts, you can put some bigger bottles than the hole size. The countertop wine holder is foldable and space-saving. When it is not in use, you can just fold it and put it away. The compact size is great for small spaces and easy storage. Also the wood wine holder is very easy to clean. When you receive the package, take out the wine shelf and put it on the table, you may find that it is a little unstable, please do not panic, as all our wine shelves are handmade, it is very normal that there is some dimension differences which is inevitable. The shelf will become more sturdier as long as you put your wine bottles in it. Each wine rack tabletop is fitted with anti-slip rubber foot pads to prevent any scratches on your furniture. And you can decide whether to use these pads or not, that depends on your needs. Additionally, you can use the eco-friendly wood wine rack as a decoration of your wine wall. No matter where you put it, in the kitchen, livingroom,sitting room, bar etc. It is the perfect complement to any home and countertop.