hello every buddys roshan here today morning i saw this drp metrial and show also testing metrials rice and torch and watch is my metrials which i have used to cheak and tests are this between 3to4 inches metal to rice mr and half inche is rice to rice rr but no colour changes and torch test 18to20 seconds torch distance is 6inches watch in 12 seconds and the weight is 5kg700grams five kilo and seven thundred grams and the main problem is there is no washable tat person is telling like u can deep the metrail in normal water but u cant rub so i asked my funders they said they r not intreasted atleast they need 3washable with hand wash;;;;;;;;iam posting the image they dint allow me to capture some how my friend took tat image and video but its not clear video so iam not posting the video