USA A+B EXPOSY PUTTY Description USA A+B PLASTIC STEEL IS A MIXTURE OF POLYEPOXIDE. NO DECREASING AFTER HARDENING AND SUIT FOR VERTICAL PLANE. NORMALLY USE IN WATER OR MOIST ENVIRONMENT. USE CLEAR WATER AND SOAP FOR WASHINGTHE AFTER USING. AVOIDING DIRECTLY CONTACT WITH EYES. INSTRUCTION: 1. TAKE THE SAME AMOUNT FROM A PUTTY AND B PUTTY. 2. MAX THEM TOGETHER TILL THE COLORS ARE BALANCED THEN THE PUTTY IS ALREADY DONE. TIPS: 1. USE SOME WATER FOR SOFTENING THE PUTTY EASILY AND AVOIDING STICK WITH HANDS. 2.CLEAN THE FIXING SECTION BEFORE USE IT.