The JOOLA Table Tennis Service Practice Net reliably collects balls during service, multi-ball, or robot practice! It uses a built-in funnel design to collect your spent pingpong balls into a container (not included), saving you time and allowing you to easily refill your training robot! The JOOLA Table Tennis Service Practice Net has an intelligent rolling system and practical folding mechanism that allow for easy storage. This is a must for clubs and for players serious about their training.