Aluminium Caisse à Outils. Material: Reinforced with silicone and polyester. Temperature range: -76°F (-60°C) to -428°F (220°C). Working pressure: 0.3 to 0.9 MPa. Burst pressure: 2 MPa. Thickness: 2mm to 5mm, 34-ply. Size tolerance: ± 0.5mm. Instruction is NOT included. Professional installation is highly recommended. Please take photos immediately if you find the package or item damaged. Although we are trying our best, there could be small issues like wrong or defective item sent or damaged during transit or item not as described.