Bend the metal plate and the liquid crystallizes, giving off heat
almost instantly. To reuse, simply place in boiling water for about
5 minutes, until crystals turn into a liquid. Bend the metal plate,
the liquid will become crystal and heat automatically. For next u
sing only need to put it in a boiler full of water with a cloth and
heat until the crystal become into liquid. This product is non-toxic
and non-caustic.

Inner packing:
Packed in PVC
Diameter: 9cm
N.W.: 70g

Outer packing:
Dimensions: 38 x 25 x 21cm
N.W.: 10.5kg
G.W.: 14kg