A laminate comprising, as at least one layer, a polyethylene resin layer that can be extrusion lamination molded, and satisfying the following requirements (A) to (D): (A) a density is 0.890-0.980 g/cm.sup.3; (B) the number of long chain branches having 6 or more carbon atoms is 0.01-3 per 1,000 carbon atoms; (C) a melt tension (mN) measured at 190.degree. C. (MS.sub.190) and MFR (melt flow rate: g/10 min, 190.degree. C.) under a load of 2.16 kg are satisfied with the following formula (1): MS.sub.190>22.times.MFR.sup.-0.88 (1) and a melt tension (mN) measured at 160.degree. C. (MS.sub.160) and MFR (melt flow rate: g/10 min, 190.degree. C.) under a load of 2.16 kg are satisfied with the following formula (2): MS.sub.160>110-110.times.log(MFR) (2) (D) an endothermic curve obtained in temperature-rise measurement by a differential scanning calorimeter shows one peak.