SUPER ABSORBENT POLYMER (SAP) FILLER locks in large volumes of water on contact and swells up to trap basement leaks, pipe bursts, and water spills in your home or workplace EACH 3 x 48 SOCK ABSORBS up to 1.75 gallons; pack includes (12) Super Water Absorbing Socks for total absorption up to 21 gallons ONE-TIME USE for water in your home or workplace SHAPE THIS FLEXIBLE SOCK to surround spills and stop them from spreading; hugs floors and vertical surfaces to stop leaks EXTENDED EXPOSURE TO UV or extended use in sunlight will degrade the skin of the sock NOT FOR USE WITH continuous water flow INDOOR USE ONLY for applications where water needs to be quickly absorbed or diverted; soaks up water from windows, cracked foundations and seepage under doors SOCKS SHOULD NOT BE LAUNDERED MINIMAL LIMITATION: Not for use with salt water.