Rechargeable Pocket Size Hand Warmers 2 Pack, Ultrathin Electric Design
Single size :L2.3 W2.3 H0.75in, weight 132 grams, large area heating surface. Battery Capacity 2000 Amp Hours. Instant, long-lasting heat: Feel instant warmth in 3 seconds with 3 adjustable heating Settings up to 131 ° F.