Icy Cools GREEN Reusable Ice Cubes for Coolers, Lunchboxes and More! 45 Reusable Ice Cubes. Filled with 100% Purified Water. Safe & Non-Toxic. MADE IN USA. Simply Freeze and Use. Flexible When Frozen! Approximately 2 lbs of Reusable Ice Cubes insures for long lasting cooling of 8-12 hours or more! Great for picnics, beach, camping, back to school, baby bottles - ICE WITHOUT THE MESS! 15 Cubes are perfect for 6 Can Coolers - Use 30 for 12 Can Coolers and 45 for 18 can coolers Small Size Cubes Distribute Cold and Prevent Crushed Sandwiches!