The Amazon Basics Sheet Protector is a pack of 100 clear, non-glare protectors made of polypropylene (PP). The sheet size is 8.5 x 11 inches, and they are designed for top tab positioning. This product from Amazon Basics is a classic style accessory for audio media, keeping your sheets safe and secure. With dimensions of 11.5 x 9.84 x 1.18 inches and a weight of 1.21 pounds, this sheet protector is a practical and reliable choice for any music lover.