Ant Feeding Area The lid is mesh to improve ventilation in the feeding area. The color of the lid can also be changed. You can change the color to red, blue, green, or translucent in a message after purchase. Size of the feeding area: Height: 70 mm Length: 96 mm Width: 135 mm Holes for tubes can be drilled in 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, and 16 mm sizes. If you have any questions about the product before purchase, or if you comment in the comment section requesting the number and size of holes you want, we will add an image of the product with the holes drilled as a preview.