BLOCKS DRAFTS AND MOISTURE from seeping in under doors LAUNDERABLE SOCK blends into your environment while absorbing moisture and small water leaks, and can be machine-washed and dried up to 50 times APPLICATIONS INCLUDE windowsills, behind kitchen faucet, around coolers, freezers or air conditioners or in other damp areas to absorb moisture and small leaks SOAK UP WATER, then toss in the washing machine and dryer to reuse EACH SOCK IS 3" W x 38" L x 1"H. Absorbs 34 oz of water per sock NOT FOR USE WITH continuous water flow or large volumes of water.