Specification: Size(approx.):Total height 22mm/0.86in Board thickness: 4mm/0.16in Material: plastic Triangle Design-Unique triangle design which fully makes use of the space of the sink corner and won’t take up additional space. The hanging net design captures all the small food particles that would normally slip through the filter. No Longer Blocked-The Sink Strainer Bag can effectively prevent hair, paper scraps, food residues, fabrics and any other garbage from entering the sewer, protect the kitchen drainage system instead of clogging the drain pipe, and help save space and maintain the kitchen clean. Installation Methods-The method is that to keep the countertop dry, then stick the double-sided tape on the holder and remove the protective film, then stick it on the sink and press it hard.