Classic Static Protection Bubble Cushion, B-d37L (Ideal for Moving or Shipping as a cushioning bag for packing and packaging), [Anti-static effect ideal for packaging electronic devices] This is an affordable roll sold separately. This bubble will protect your packaging from various electrostatic disorders and shocks. Suitable for color-coded packaging, easy to sort. Anti-static and shock-absorbing packaging integrated into the package, making it easy and convenient.