High Visibility & Easy Throwing: The SportDOG 50/50 Black and White Dummies stand out against any background; the weighted throw toy offers easy tossing and bulk training value Adjustable Buoyancy & Weight: Inflatable valve lets you fine-tune buoyancy and weight for water retrievals and training in versatile environments Durable & Safe Design: Made from durable plastic with rounded knobs to prevent hard mouth, perfect for use as a safe training tool in individual or multi-dog training sessions Built for the Field: SportDOG gear was designed by professionals who demand durable, no-nonsense tools that perform in real-world conditions without fail Trusted by Serious Trainers: Professionals rely on SportDOG for proven performance, consistent control, and expert-backed training guidance that gets results