PEDAL STA-Serger Pad/Trim Catcher is a large 12 x 12 pad area that fits under all sizes of major brand sewing machines.The special foam backing absorbs machine vibrations.Protects table surface and prevents machine from crawling.The trim catcher bag quickly detaches for easy removal of contents.Helps prevent scrap waste from cluttering floor.Makes the work area safer.Work-saving, convenient, and cost effective! The polyethylene foam bottom can be placed directly on furniture without scratching.Provides a quieter work environment.Made of selected material to withstand rugged physical abuse.Measures: 12 x 12.This product meets the oversized requirement per UPS/FedEx.The shipping weight reflected is the dimensional weight.This product also meets the large package requirement per UPS/FedEx.The estimated shipping cost will include this fee.