Play 80mm Green Contact Poi with Cascade Juggling Bag - Practice Contact Poi Set 80mm Contact Poi from Play Juggling in Green. They have PX3-esque knobs meaning you can practice throwing the poi. Each poi is made with an 80mm stage ball that weighs 150g. Adjustable string means these are suitable for all heights of user. Comes with handy Cascade Juggling carry bag.