May 25, 2017 #11 SueT Enabler Premium Feather Member 10 Years Spirit Friend Joined May 27, 2015 Messages 12,758 Reaction score 44,956 Points 1,117 Location SW MO Heat packs!!! Yes, Hot Hands hand warmers stay warm for several hours. You could put them under the box, even in the box. They are inexpensive, you can test them out ahead of time as to temp.
Heat packs!!! Yes, Hot Hands hand warmers stay warm for several hours. You could put them under the box, even in the box. They are inexpensive, you can test them out ahead of time as to temp.