Allegro 8413-11 Feather Ice Cold Pack Inserts for Cooling Vests, 13-1/2 in x 6 in, Up to 4 hr Cooling, Freezer-Activated, Silica Crystals, 4 PK

Feather Ice Inserts, Style Feather Ice Insert, For Use With Vests, Compatible with Series 8413, Compatible with Brand ALLEGRO, Cooling Method Cold Pack Inserts, Activation Method Freezer, Maximum Cooling Time Up to 4 hr, Overall Length 13 1/2 in, Overall Width 6 in, 100% Organic and Recyclable, Divided Into Two Sealed Sections for Better Temperature Distribution, Four Inserts Per Package, Non-Flammable and Non-Combustible Material, Safe and Non-Toxic, Silica Crystals.