Industrial-Strength 550LB Load Capacity Each dolly is 22.6"x11.4"x4.3" and holds 550lbs (250KG) with 11-layer 0.75" thick plywood platform, tested for moving pianos, machinery, and heavy warehouse items. Outperforms standard 330LB dollies! Ultra-Smooth & Silent TPR Wheels Features 3" (75mm) high-elasticity TPR wheels that roll quietly on hardwood/tile floors (30% quieter than PP wheels). No scratches or marks ideal for indoor use! Non-Slip & Water-Resistant Design Textured surface prevents load slippage, with light water resistance to protect against spills. The pre-cut handle slot(5.5"x4") for easy lifting and rope tying. Ready to Use Out of the Box No assembly needed unpack and start moving immediately! 2-Pack set offers double value for multi-angle loading (total 500KG/1100LBs capacity). Globally Loved - 60%+ of Our Customers Are Women! Engineered for Effortless Handling: Lightweight (only 10.2 lbs) with ergonomic grip slots (4"x5.5") ideal for independent movers in homes, offices, and small businesses.