Open the outer wrapper, squeeze the inner (but do not puncture the inner packet) and within a couple of minutes you will have a beautifully warm warmer;Single use only, non-toxic, environmentally friendly;Supplied in pairs, U shaped 10cm x 7cm, these stay warm for up to 5 hours, put under or over foot but not inside sock, best before Feb 2014;Read the instructions carefully before use

• Mycoal foot warmers - 40 PAIRS

Mycoal foot warmers - 40 PAIRSMycoal