The Jaswill Portable Door Lock is a universal self-defense security device designed for travel and home use. Made of durable stainless steel with a nickel finish, this door lock is lightweight at 0.26 pounds and compact with dimensions of 6.3x3.86x0.67 inches. It is suitable for residential, front door, front entrance door, security door, and side entrance door/backdoor. The red color and non-handed design make it a versatile and reliable option for enhancing security at home or on the go.