snap band :2mm,2.5mm,3mm snap band: We surpply full range of filter bag accessories,1. sewing thread:polyester thread ,PPS thread,fiberglass thread,PTFE thread,PP thread,Nomex thread etc2. snap band:2mm,2.5mm,3mm3. stainless steel ring4. plastic ring5. Dedusting filter bag cage,we surpply according to customers specification.