Heavy-duty, collapsible 2 1/2 ltr bag with water-tight, zip-lock closure. Three slotted holes for hanging, on/off clamp to control fluid flow, approximately 33" of elastic tubing and a 16 3/4" flexible lexan tube with attached round bulb probe. Measures in liters and quarts.
"One Time Use"
Never could get shut off to work. Took two to operate. One to work shut off other to tube. After two uses zipper seam tore.