The DYMO Authentic D1 Labels are rectangular label tapes with a 9mm x 7m roll size, featuring black print on white. These self-adhesive labels are made of paper and come in a pack of 10. The product requires 1 Lithium Ion battery for operation and is designed for crafting and labelling purposes. With a sleek black and white colour scheme and adhesive finish type, these labels are a versatile and practical choice for various crafting projects.