... logos and pictures can be printed.3.good quality with reasonable price4.no-toxic5.logos customize, 100% ... environmental silicone rubber material.Description: 1. Material: Soft silicone with stainless steel fittings2. Non toxic,Health,Fashion. Neither ... increased focus on those (students)- Vulnerable groups Material:Soft silicone with stainless steel fittingsColor:Black,White, Red, Pink, Blue ...