These toys are solid stainless steel with a removable ball for cleaning. This purchase comes with your choice of one of two ball sizes, others may be purchased separately. The maximum insertion length depends on the ball size you choose, without the ball, maximum length is approximately 4".
Balls are available in seven sizes and sold separately:
30mm diameter, 7.7 oz in weight
32mm diameter, 8.6 oz in weight (sold separately)
40mm diameter, 13.5 oz in weight
50mm diameter, 1lb 7oz in weight (sold separately)
60mm diameter, 2lb 2.1oz in weight (sold separately)
80mm diameter, 4.9 lb in weight (sold separately)
100mm diameter, 9lb 8.2 oz in weight (sold separately)
Balls are interchangeable between the following items:
Purchase extra balls in the above sizes HERE.
These toys can be boiled and are dishwasher safe.