6 FT SLIDING DOOR BARRIERS: Use as protection for sliding doors, french doors, and similar at risk areas; Fresh water activated barriers offer easy protection against flooding and leaks in 5-10 min NO SAND REQUIRED: Evenly filled with water absorbing Sand Gel that stays in place; No sand, shovels, or heavy lifting required; Foldable and lightweight before deployment for compact storage 2 PACK: Measures 72 L x 5 W and expands up to 5 H inches, taller than the other guys; Great for absorbing and diverting water in front of sliding doors or around leaking appliances; Buy multiple for more coverage HEAVY-DUTY: Thick puncture-resistant fabric is built to last unlike traditional sandbags that rip and leak; Sand Gel filler solidifies once set to resist leaking for dependable performance EASY TO USE: Lay in the path of slow moving water to activate or pre-soak in a bucket to prep for fast moving water; Avoid contact with chlorine or salt water which can prevent activation or deactivate the gel