Breast stress relief ball is very safe to use. This item is a great gag gift, or a fun item for parties. You can use it in any way as you can imagine It could gently ease the stresses and strains of modern These Boob Stress Relievers are a fun, squishy, sexy set of boobs These Boob Stress Relievers are ideal gifts for anyone old enough Diameter: 14 CM Weight: 138 g These stress relief balls are made of a soft squeezable rubber material filled with fluid substances. The boobs have a flesh color tone and feels realistic to the touch. 12 pieces of this gag present comes in a display case.