We love these really cool-looking and durable, cool packs from Bentology! They stay cold in the lunchbox for hours (depending on the outside temperatures).
Stays frozen for hours
Dimensions: 6 x 4.5 x 3/4 inches
Care: Hand wash in warm, soapy water before using. Do not clean with abrasive scrubbers
Available in owls, stripes, paisley and doodle designs.