For sale are 6 mil sap collection bags and support sticks. They function like sap sacks with the galvanized metal holders but they are easier to store and are much cheaper. We have used a collection system like this for 40 years and it works well. The bags have a double seam and are surprisingly durable - we wash and reuse them each season and only lose about 3% each year to leaks. We are downsizing and have 2000 used bags and 800 new bags to sell. Minimum Order 200. New Bags - $0.35 Used Bags - $0.20 Support Sticks - $0.10