The product is designed specifically for arthritis pain relief in the knee, providing up to 8 hours of relief. It includes 4 heat packs and 1 wrap, all made in Japan by Kobayashi Healthcare Europe, Ltd. The size of the pack is 5-count, suitable for adults. The heat packs are compact with dimensions of 8 x 6 x 12 cm and weigh 100g, making them convenient to use for extended periods of time to alleviate knee pain.
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