GOOD WORKMANSHIP: Folding design the shield can be expanded or closed as needed. COMPATIBLE WITH: High compatibility suitable for a variety of toy it's small and space-free and it works on many toys. Manufacturered by Tbest. EASY TO USE: The blast shield attaches to strategy rails clamp-on shield easy to install increase entertainment and game playability. GUARANTEE: If you have any problem with this product you can just take advantage of our 180 days warranty. We will replace it or give your money back for any reason. HIGH QUALITY MATERIAL: Made of high quality environmental plastic durable and nontoxic healthy environmental protect and green very suitable for children.