Description: Three large magnets on the bottom of the liner helps keep it in place, and the 12 metal reinforced eyelets prevents tearing at the top. Heavy Weight. Heavy gauge helps keep liner in place. 3 Large Magnets; Helps Liner stick to tub. Dimensions: 70" x 72". 12 Metal Reinforced Eyelets; Prevents tearing. Durable, Long lasting. Made of 100% PVC. Mildew resistant keeping your shower and bathroom clean. Heavy Grommet Liner made of 100% PVC is a durable, long lasting liner that is mildew resistant.