1. Material: 45# steel heat treatment + ABS new plastic + polyester yarn 2. Purpose: used to extend various seat belts 3. Polyester webbing, thickness between 1MM-1.2MM 4. The lock tongue is durable, and there is no sticking or irregularity when inserted and opened repeatedly, and the working life is long. 5. The one-word buckle can be moved to any position and the length can be adjusted manually to meet your different needs. It is easy to use and will not fall off easily. 6. Provide comfort and safety for pregnant mothers 7. Weight: 80cm is about 110 grams, 12cm is about 180 grams, 26cm is about 270 grams
