Here's a terrific way to "block" competition during upcoming promotional events. Choose this Reef-Safe Zinc block in white tube as a handy giveaway. This product is USA Made in FDA Registered facility. Our sunscreen products meet the updated FDA standards for broad spectrum and water resistance. The tube size is 2 5/8" x 5/8". Add your company's logo to this item for an excellent opportunity to promote your business. Make sure to order yours today.