There are vent holes at the bottom to avoid water accumulation in the container, keep good ventilation, safety and sanitation.Specification:Material: PlasticSize: app.33x24x31cm/12.99x9.45x12.20inOptional Color: Apricot, Black, BlueQuantity: 1 PcPackage Contents:1 x Storage Rackprompt:1. Please check the size and color of the item carefully before buying.2. Except for the products shown in the product photos, no other items are included.3. Please note that due to different monitors, there may be slight color differences, please understand.4. The above data is for reference only, the size is manually measured, each variable may be different, please refer to the actual product, thank you.5. If you find any problems with our products, please feel free to contact us via email, we will reply within 24 hours and solve the problem as soon as possible.