641 rectangle shape heat pack products are offered for sale by suppliers on Alibaba.com, of which hot & cold packs accounts for 3%, hot water bottles accounts for 1%.
A wide variety of rectangle shape heat pack options are available to you, You can also choose from black, blue and red rectangle shape heat pack,as well as from aluminum, steel, and aluminum alloy rectangle shape heat pack,and whether rectangle shape heat pack is reusable, or eco-friendly.