The Pelican 1090 Hardback Case (Charcoal Gray) is a watertight case made to carry a compact 15.4" notebook computer or 8.5 x 11" and A4 documents. The case is made from a Cycaloy material with a three piece Pick n' Pluck foam set. It will float in water with an 11.5 lbs (5.22kg) load and has a polymer O-ring and purge valve.Watertight, crushproof, and dust proof notebook computer caseCycaloy material with three piece Pick n' Pluck foam setTemperature Rating -10° to +210°O-ring sealVent with Gore-Tex membrane for auto pressure balanceWill hold 8.5 x 11" and A4 documentsMeets IP66 specificationsCompatible withApple 15" MacBook Pro notebook computerDell XPF-1530 or Inspiron 1525 laptop computerHP Pavilion dv6700i laptop computerHP Compaq Presario V6700TX laptop computerLenovo ThinkPad T61 laptop computerSony VAIO FZ or NR series notebook computerToshiba Satellite U205-S5002 notebook computerOther notebooks up to 14.4 x 11.1 x 1.7" (LxWxD)