SupplyTime Tip: Be sure to check out the SupplyTime Can Liners Guide, including a product cheat sheet, helpful formulas, and picture definitions. High density (HDPE) can liners, although very strong, are not recommended for sharp waste. For sharp waste, use linear low density (LLDPE) trash can liners; they provide puncture and tear resistance. High density can liners sound noisy when you crinkle them and have no stretch; linear low density can liners are quiet and have stretch. High density can liner thickness is measured in microns and linear low density is measured in mils. See our SupplyTime Can Liner Guide for more detailed information and check out quality brands like Jaguar, Heritage Interplast, Warp’s, Good’n Tuff and Penny Lane RePrime. MaureenYour SupplyTime Product Expert