Second generation:

packing method: Trainer + opp + color box + rope

single Weight: 25g

single Color box package weight: 30g

single Color box size: 4.8*4 * 3cm

product Size: 4*3.5 * 3.5cm

resistance: about 40 pounds
third generation:

packing method: Trainer + transparent box + color box packaging

single Weight: 26g

single Color box package weight: 35g

single Color box size: 5*5 * 4.5cm

product Size: 3.7*3.3 * 3cm

resistance: about 45 pounds

fourth generation: chewing machine + transparent box + color box packaging

single Weight: 3g

single color box Package Weight: 10g 2 pack 13g

single Color box size: 4.7*3.2 * 4.2cm

product size: 3*1.3 * 1.1cm

resistance: about 30 pounds

fifth generation: Trainer + color box + rope

single Weight: 14g

single Color box package weight: 22g

single Color box size: 3.3*3.5 * 2.8cm

product Size: 2.2*3.5 * 2.8cm

resistance: about 45 pounds

sixth generation: Trainer + color box + rope

single Weight: 19g

single Color box package weight: 22g

single Color box size: 3.3*3.5 * 2.8cm

product Size: 3.2*3.2 * 2.2cm

resistance: about 40 pounds

seventh generation lateral masseter Trainer: Trainer + opp + color box

single Weight: 8g/piece

single Color box (2 packs) Weight: 22g

single Color box size: 4.7*3.2 * cm * 4.1

product Size: 2.6*2.5*1.8

resistance: about 45 pounds

first generation, second generation, fourth generation, sixth generation, eighth generation are all 500 packs, box gauge 35.5*25.5 * 46CM
small agent, the fifth generation is 400 packs, box gauge 33*26 * 27CM
three generations, seven generations 500 pack, box gauge: 54*27.5 * 48.5CM