G-Vibe Geisha Balls from Fun Toys. There are 4 balls in the packaging. Geisha balls allow you to have 5 stages of training - from 50g / 1.8oz to 100g / 3.5oz. After this, experienced users can train with the individuals balls without the strap. Geisha balls are also body safe - they are made of abs plastic and the strap is made of 100% soft medical silicone. User friendly instructions and detailed tips included. 1-Year Warranty. .