Hello and greetings from the UK you contacted a supplier of mine who passed your name to me as he does not deal in general lab equipment and we do. i am interested in your cube moulds both 4 part & 2 part 100mm & 150mm We would require a sample of your 100mm 2-part and 150mm 4-part Please forward your best prices & delivery times thankyou best regards Mike Davidson Director LabQuip Limitd