Harley L-188 N95 NIOSH (Honeywell) masks that have 20 pieces per box. Our shipping is FOB China. Pricing noted is for reference only. Final pricing per piece depends on the order size and the length of the supply contract. are preferred. Payments by L/C are accepted provided that a 30% deposit is ng of the contract. Our agreements are 3-way with buyer, the manufacturer and us on paper. with any questions and/or for other product options.