High Quality: The letter opener slitter is made of high-quality plastic and features a concealed stainless steel razor blade, offering improved safety compared to traditional metal letter openers. Portable Size: The envelope slitter measures 3 x 1.8 x 0.1 inches, with a lightweight and compact design that makes it easy to carry. Conveniently fits in a pocket or bag, ideal for travel or business use. Keychain Hole Design: Includes 5 mail openers in 4 different colorsblack, white, red, and greensufficient for personal use and sharing. Each has a keychain hole for attachment to keyrings, ensuring easy access at home or on the go. Wide Use: Designed to quickly open envelopes, mail, and packages, this letter opener is suitable for everyday use at home or in the office, and can be used by adults 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.