Pink anti-static, 18 MIL smooth wall poly inserts. Fits a 55-gal drum. Rigid self-supporting, smooth side walls are made from vacuum formed and seamless low density polyethylene ldpe. Also, made with a pink anti-static additive to help prevent static discharges from harming your product. Our rigid drum & pail liners meet FDA specifications and are BPA free. 15 per case, price be each, must order in multiplies of 15.