what is a 3 tab shingle

{"cid":"91092940","title":"3 tab goethe and mosaic roofing shingle","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/41\/5eb74f98de8623f1205ac14ed199-200x200-1.jpg","attrs":{"Price":"USD4.3\/m2","Brand Name":"Sangobuild","Model Number":"","Minimum Order Quantity":"1000 SQM","Delivery Time":"2 weeks after received the payment","Place of Origin":"China","Certification":"ISO9001","Packaging Details":"21pcs\/bag,3.1sq.ms\/bag,standard package","Payment Terms":" T\/T Western Union","Supply Ability":"15000 Square Meter\/Square Meters \/ Day"}}

{"cid":"91220494","title":"Customized Shape Tab Asphalt Roof Tiles With Three Dimensional Colored Sand","imgUrl":"https:\/\/img.chinax.com\/nimg\/ba\/5c\/9327b1ca35da2fe84306017f6064-200x200-1.jpg","attrs":{"Price":"$1.32\/sheets 21-20999 sheets","Brand Name":"zhongyuan","Minimum Order Quantity":"21 sheets","Place of Origin":"Shandong, China","Packaging Details":"Or according to buyer requirements","Warranty":"More than 5 years","After-sale Service":"Online technical support","Project Solution Capability":"total solution for projects","Application":"Mall, Outdoor","Design Style":"Traditional","Material":"Three-dimensional colored sand","Product name":"asphalt roofing sheet roll shingles","Thickness":"2.6mm","Shape":"Customized Shape","Length":"1000mm","Usage":"Villa House Roofing Exterior Tiles","Feature":"Heat Resistance","Keyword":"asphalt shingles","Packing":"PET"}}