Features: 1. Four modes and six functions 2. Dumbbells, push-up brackets, kettlebells, barbells 3. Covers an area of 0.2 square meters, does not damage the floor 4. Ergonomic foam, safer decompression 5. Ergonomic, non-slip grip 6. Environmental protection material, safe and practical Product material: 1.Dumbbell: PE plastic on the outside and a new type of environmentally friendly composite material mainly made of iron sand 2.Nut: PP environmental protection material 3.Dumbbell bar: iron inside, PE plastic outside 4.Connector: iron inside, foam outside 5.Kettlebell handle: iron inside, PE plastic outside Product configuration: 1.Dumbbell bar*2 2.Nut*4 3.Connector*1 4.Kettlebell grip*2 5.Kettlebell base*1