Ice packs to keep lunchboxes and Lunch bags cool and food fresh!
Place into freezer for at least 4 hours or until frozen.
Put frozen coolers into lunch bag/ box and close.
To keep food cool, place the cooler on top of food rather than underneath it.
For lunch bags/boxes with capacity of 1.5L or less, use 1 cooler.
Dimensions: 135 x 120 x 14mm
Weight each: approx.. 110gItem Made from: HDPE Plastic Case. Liquid: Water & Preservative