Deluxe Maple Sugaring / Maple Sap Tapping Starter Kit (Tap 3 Trees) Sap Sack Method Inclusive kit includes a Fully-illustrated and professionally-written how-to book "Guide to Maple Tapping" Three Galvanized steel Sap Sack holders and Nine bags especially designed for the holders Three Stainless steel 5/16 tree saver Spiles. One cone-shaped pre filter. Three removable, flexible steel rings to hold sacks in place in the holder Great outdoor activity for the whole family