Schupp Cherry Stone Hot/Cold Pack- Neck & Shoulders. Heat therapy should be used for sub-acute pain such as arthritis, osteoporosis and other long term conditions. Simply heat your Cherry Stone pack on a radiator, in the microwave or even in a pre-heated oven. The natural cherry stones will hold their heat for periods of 20-30 minutes meaning you can relax without having to worry about re-heating your pack. And buy this Schupp Cherry Stone Hot/Cold Pack- Neck & Shoulders Now £19.99.