You’re in the right place for twistable crayons.By now you already know that, whatever you are looking for, you’re sure to find it on Seeking.we guarantee that it’s here on Seeking.This product is durable. It employs good design practices to ensure the durability of the installation and to use systems that have a good thermal break and high R-value. .We aim to provide the highest quality twistable crayons.for our long-term customers and we will actively cooperate with our customers to offer effective solutions and cost benefits.