This ice pack will keep your lunch cool without it getting wet as it is condensation-free.  It is a good size, non-toxic and washable.  condensation-free ice pack that keeps your lunch cool but dry. Generously sized, non-toxic and washable. 

Features:

• Polyester fabric.
• Filled with water and cellulose gum (non-toxic).
• Fully immersible and washable.
• Condensation-free.
• Remove ice pack from outer sleeve to wash.
• Dimensions: 7"L X 0.25"W X 4"H