This includes 300 standard size top loaders made of rigid PVC material with a clear color. These top loaders are compatible with 35 pt. card thickness and come with 300 sleeves. The brand is Cardboard Gold and they are designed for storage and display purposes. The set is perfect for those who are looking for a convenient and efficient way to store and protect their sports trading cards. The top loaders are durable and can hold multiple cards without any issues. This set is a great addition to any collection and is a must-have for any sports fan.