how to swim freestyle

{"cid":"91225505","title":"Durable EVA Material Swimming Training Board For Leg Support And Correcting Swimming Posture","imgUrl":"https:\/\/img.chinax.com\/nimg\/72\/9b\/1f35062f14dacf59fe2ef8480f3b-200x200-1.jpg","attrs":{"Price":"$4.10-4.32 \/ piece","Brand Name":"joyofswim","Model Number":"8-character Board","Minimum Order Quantity":"50 pieces","Place of Origin":"Guangdong, China","Feature":"Waterproof, Anti-Slip, Comfortable, waterproof","Type":"diving equipment","Material":"EVA, EVA","Style":"Sports","Fit":"Regular","Season":"All Seasons","Applicable Age Group":"18+","Product name":"A-Shaped Swimming Board","Color":"2 colors for you to choose","Function":"swimming\/traning\/watersports","Packing":"Packed in a transparent bag","Usage":"diving&water sports","MOQ":"Minimum order 50 pcs","Delivery time":"order 7-15 days (depending on quantity)","payment":"PayPal payment, wire transfer, guarantee, etc."}}

{"cid":"90042566","title":"Durable Inflatable Yacht Slides Mega Dock , Jet - Ski Drive - On Blow Up Swim Platform","imgUrl":"https:\/\/img.chinax.com\/nimg\/9e\/c5\/8029ae7c21df8e190034eb9e0e69-200x200-1.jpg","attrs":{"Price":"USD200-USD1,000\/Piece","Brand Name":"Asia Inflatables","Model Number":"Inflatable Dock-004","Minimum Order Quantity":"1 Piece","Delivery Time":"10-15days after received your money","Certification":"CE, UL","Place of Origin":"Guangzhou, Guangdong, China","Payment Terms":"T\/T, Western Union, ","Supply Ability":"100 pieces per month","Packaging Details":"PVC Bags for the products + Carton","Size":"Customized","Material":"Drop Stitch","Color":"Grey, Blue, etc.","Printing":"Customized","Shipping Way":"By air, by sea or by express","Warranty":"3 Years"}}