Measurements Easy to See - Unlike other silicone cups where measurements are hard to see, ours add the markings in bold black so you can actually read them,even if you add a different color in the measuring cup. Cups Easy to Clean - All our measuring cups and stirring sticks are made of silicone,when the resin is dry and you can peel it right out,they are reusable. Suitable for mixing resin, DIY handmade works, paint mixing, and other liquids working.