Come and see our amazing products. It Is made of solid high density silica gel. And the side is 2 1/2" Diameter. Exercises using these massage balls can help you to increase blood flow and tissue hydration, relieve knots & tightness, alleviate muscle pain, improve athletic performance, recover sore muscles, increase flexibility and greater range of motion. They are most ideal tools for pre & post workout in Yoga, tennis, Crossfit. Custom Lacrosse Balls can be digitally printed to showcase a company logo or team. Balls come in standard colors, custom color MOQ is 500 pieces. They're fun for of all ages. Add your school, sports team, club, organization or company name, logo or message to create an inexpensive branded promotion that makes a great giveaway at schools, churches, safety fairs, day cares and parenting expos. Pls confirm with us about the packing info, stock color and exact production time before placing your order