TYPE:NATURAL RUBBER TUBE SIZE :250-17 WEIGHT :360G SECTION WIDTH :71MM TENSION :9-12MPA ELONGATION :480%-550% JOINT TENSION :7-8MPA PACKING :1 PIECE INTO A POLY BAG ,AND 25/50 PCS INTO A NYLON BAG , 1 PIECE INTO A BOX ,AND 50 PCS INTO A CARTON ,WE CAN PACK AS YOUR REQUEST BRAND NAME :LONGHUA ,OEM CERTIFICATE :ISO9001 ,SONCAP ,DOT ,E4,CCVO ,SGS ,BV . VALVE:TR4