source manufacturer warmed insole cold-proof warm adult iron powder self-heating insoles warmed insole children warm stickers constant temperature heating

men's [40-45] average size universal women's [35-39] average size universal warm heart bear children 28-size 31 warm heart bear big boy 32-size 35 hand warmer foot patch/green monster/8 * 12cm/pair hand warmer foot patch/sweetheart bear/8 * 12cm/pair large hand warming egg/pudding mouse/12.8*9.6/piece small hand warming egg/clown duck/9*5.5/piece

[1 pair]]