1. Material: metal / straw / plastic / nylon (lens: resin) 2. Size: two-piece (40g), three-piece (60g), four-piece (71g) 3. Straw hat: outer width 16 cm, inner diameter 8 cm, height 5 cm, weight 20 g 4. Tie: 1 cm wide, neck circumference 25-33 cm, weight 11g 5. Chain: 37 cm long, 2 cm high, weight 30g 6. Sunglasses: The face is 8 cm long, the length of the temple is 7 cm, and the weight is 10 g.