Come and Check Our Promo Solutions.The keychain is a very popular item, we have variety of stress reliever balls with key ring, football, baseball, basketball, golf ball, volleyball, tennis ball, beach ball, and American flag ball and so on. Different shapes and colors can be customized, the stress relievers fit for just about any promotion. Complies with Prop 65. 1 3/5" Diameter Pls check inventory and detailed info with us before placing your orders.