One Pice with STAR 1951 test from 1 feet • Torch pulling from 1 feet • Down after 10 minutes, but blinking starts after 5 minutes • Ujala neel test, water goes slight white after 6 minutes • Small bubbles are not coin and one bubble on water surface. Material available in Mumbai. Free hand test. Reasonable Price. Only genuine buyer can contact on - 9594474476