EtekDirect 4 Pack Rubber Door Stops - Non-Slip Non-Scratch for all Surfaces - Lifetime Warranty Ideal for home and office environments Non-marking to help protect hardwood, laminate and vinyl floors from scratches and dents Durable, impact resistant rubber construction withstands daily use DOUBLE UP : Fits under door gaps from 0.1 to 1 inch or 2 inches when double up LIFETIME WARRANTY - We provide 100% hassle free replacement