3 Mini Ice Bricks permanently filled with liquid, ready to be frozen and used in a cooler to replace or augment the use of ice. The 'freezing gel' additive allows the Ice Brick to remain frozen longer. The shape allows easy stacking in the freezer or easy storing in a cupboard or drawer when not in use. What's in the box 3 x 70mm x 80mm, 100g Ice Bricks