The Cozy Heat Traditional Sauna Stones are specifically designed for use with Cozy sauna heaters and stoves. These high-quality stones are between 10-15cm in size and come in a unique split-face shape that ensures optimal heat retention and performance. The variety in size makes these stones ideal for creating an efficient and evenly heated sauna environment. Each box contains 44 lbs of sauna stones. Size:10-15 cm (split-face design) Designed for use with Cozy sauna heaters and stoves 1 box of Cozy Heat Traditional Sauna Stones (44 lbs) Dimensions (per stone):10-15 cm (Split-Face) Cozy Sauna Heater (for use with Cozy Heat Traditional Sauna Stones)