... densities of Low, Medium & High. Foam Pigs are either bare, criss-cross coated or fully coated. Foam Pigs are available in different ... densities of Low, Medium & High. Foam Pigs areeither bare, criss-cross coated or fully coated.It ... customized to suitthe specific needs of the Customer.Foam Pigs also are available with Wire bristles, nails, steel brush, pulling hook & rope ...