This replacement Water Bag Counterweight is for use on Smart Backstop for Lacrosse and Smart Backstop for Hockey, all versions. 

• Placed on the back of goal to help prevent tip-over
• 20-liter capacity for counterweight, not for drinking water and not for indoor use in case of leak!
• Large cap and spout for easy filling and draining
• Integrated handle for ease of transport
• Made from high quality, below-molded material
• Sold individuality