2L Rectangular, 31cmx20cm, externel diameter: 7cm; Inner diameter: 2.3c Descriptions :Material :PP1)2L Rectangular ,31cm*20cm ,externel diameter .7cm ;Inner diameter :2.3c m2) 0.8L Heart -shaped ,27cm*22cm ,externel diameter :7cm ;Inner diameter:3cm ;240g/pc 3) 0.8L Circular ,26*21cm ,externel diameter :7cm .Inner diameter :2.3cm ;235g/pc . PVC Hot water bottle