Honeywell MAX1-USA Max USA Multiple-Use Earplug Bell shape delivers maximum in-ear comfort Patriotic red/white/blue colors Contoured design easier to insert, resists tendency to back-out of ear canal Polyurethane foam enhances comfort, especially for long-term wear Smooth, soil-resistant closed cell-foam skin prevents dirt build-up Bulk refills for Leight Source 400 and Leight Source 500 Earplug Dispensers save time, waste and space