High Quality: The letter opener slitter is made of high-quality plastic and features a concealed stainless steel razor blade, offering safer performance compared to traditional metal letter openers. Portable Size: Measuring 3 x 1.8 x 0.1 inches, this envelope opener is lightweight and compact, designed for easy portability. It fits conveniently in pockets or bags, making it ideal for travel or business trips. Keychain Hole Design: Includes 5 mail openers in 4 different colorsblack, white, red, and greenproviding ample options for personal use or sharing. The built-in keychain hole allows attachment to keyrings for quick access at home or on the go. Wide Use: These letter openers with sharp razor blades allow fast and efficient opening of envelopes, mail, and packages. Suitable for everyday use at home or in the office, and ideal for men, women, and teens. Note: This product contains small parts and is not suitable for children under 3 years old. Adult supervision is recommended when used by minors.