【Versatile 5-in-1 Fitness Solution】Transform your home gym with this multifunctional adjustable dumbbell set. Easily convert between dumbbells, barbells, kettlebells, push-up stands, and weight plates to perform a wide range of exercises including bench presses, squats, curls, and more—all with one compact set that saves space and maximizes workout variety. 【Premium Durable Construction】Built to last with high-quality materials: the exterior dumbbell pieces are crafted from environmentally friendly PE material while the interior is reinforced with a blend of iron and sand for optimal weight distribution and floor protection. The robust design ensures long-term durability even with regular heavy use. 【Enhanced Comfort & Safety Features】Experience comfortable workouts thanks to the 20mm thickened foam padding on the connecting rod—curved to fit naturally against your neck while providing non-slip, sweat-absorbing comfort. The dumbbell bar features an ABS textured surface for superior grip control during exercises. Four safety nuts with thickened threads securely lock weights in place to prevent shaking and ensure stability for safe lifting. 【Adjustable Weight Options】Customize your fitness routine with flexible weight adjustments. Each single dumbbell can be adjusted from 6lbs to 22.5lbs (total set ranges from 20lbs to 90lbs), allowing you to progress smoothly through different intensity levels as your strength improves. The detachable design makes setup quick and straightforward. 【Ideal for All Fitness Enthusiasts】Whether you're a beginner or experienced athlete, this set adapts to your needs. Suitable for men and women seeking effective full-body workouts at home—perfect for strength training, cardio intervals, or rehabilitation exercises without requiring multiple bulky equipment pieces. 【Easy Assembly & Maintenance】Designed for hassle-free use: simply connect components as needed using the included connector tools (no extra accessories required). The materials resist wear and are easy to clean with a damp cloth after workouts. 【Reliable Customer Support】We stand behind our products with dedicated service. If you have any questions or concerns about performance or setup assistance needed within first-time usage period—contact us directly via platform messaging; we aim respond promptly help ensure satisfaction every step way toward achieving fitness goals together!