This ballpoint is easy to use, firstly, put the refill into the resin , pour resin into measurement cup, slowly stir to release bubbles, then you can add some adorable items as you like, next, pour it into your and slowly stir, finally allow to stand for hours and then take it out. Features -Color: As shown -Material: Silicone -Size: 15.10X1.60X1.30cm/5.93X0.63X0.51in - This set of pen DIY making tools with refill pens provides you an adorable and beautiful present choice for your kids, students, teachers, friends, family members and other people. - It is interesting and show them your caring, they will like the lovely and practical - There are 3 ballpoint molds and 50 ballpoint refill pens, enough quantity for your DIY needs. - These ballpoint pen casting molds are made of silicone, which is flexible, durable and reusable, easy to clean and store, suitable for long-term use. - The equipped pen refills are practical for your writing and painting. Package list: 3 x ballpoint molds pen refills