New Pig 35700 PIG® Universal Absorbent Sock 3" Dia. x 42" Length. Thirsty 100% PIG Mat filler; polypropylene is highly absorbent and chemical resistant. Wrap flexible, self-contained PIG Socks around tanks, drum areas and puddles to stop the spread of liquid while the Socks' thirsty absorbent filler absorbs it.