Gel refrigerant packs for cold chain shipping; Gel refrigerant packs used to keep contents of an insulated shipping container cold; Gel refrigerant packs used to keep pharmaceuticals cold; Gel refrigerant packs used to keep food or beverages cold; Gel refrigerant packs used to keep biologic material cold; Cold packs for cold chain shipping; Cold packs used to keep contents of an insulated shipping container cold; Cold packs used to keep pharmaceuticals cold; Cold packs used to keep food or be...