This PVC clear tubing is the perfect solution for connecting different parts of your ant farm. Measuring 8mm (5/16") x 11mm, this plastic tube is flexible and easy to manipulate. It's clear and safe for ants material allowing for easy monitoring of your ants' movements and behaviours. Use it to connect nests and outworlds. This tubing is a must-have for any serious ant keeper looking to expand his Ant Farm.