... is phthalate free and meets EN71 and ASTM standard. Inflatable swimming ring 1)Various designs and sizes are available 2) ... 71 standard and ASTM standard PVC 3) PVC thickness in custom request,usually PVC thickness:0.18mm--0.35mm 4) Inner ... do other inflatable products such as beach ball ,inflatable swimming ring ,inflatable swimming armbands,inflatable sofa ,inflatable can holder ,inflatable hand , ...