An elastic film includes an elastic film layer, a first skin layer provided on a first surface of the elastic film layer, and a second skin layer provided on a second surface of the elastic film layer. The elastic film layer contains an elastomer, and each of the first skin layer and the second skin layer contains a resin that does not exhibit adhesiveness at 60℃, and each of the first skin layer and the second skin layer has a thickness of 0.1μm to 4μm.本發明之伸縮膜係具有伸縮膜層、設置於前述伸縮膜層的第1面側之第1表層、以及設置於前述伸縮膜層的第2面側之第2表層；其中，前述伸縮膜層含有彈性體，前述第1表層及前述第2表層含有於60℃不具黏著性之樹脂，且其厚度分別為0.1μm至4μm。
