4ft x 4ft 8in Swimming Pool Step Ladder Mat or Step Pad - Liner Protection! Protects your swimming pool liner! Durable vinyl matting with textured bottom that creates a "no slip system". This quality pad acts as a cushion between your liner and your Above Ground pool step. It helps prolong the life of your liner by eliminating the chafing that occurs between step and liner. 4'ft x 4'ft 8" Color: Blue