Little Mermaid Backpack for Girls - Bundle with 16” Ariel Sequin Bag Plus Water Bottle, Stickers, More | Little Mermaid School Supplies for Kids. This Little Mermaid sequin backpack has adjustable straps, a zip closure, and a top loop, featuring colorful artwork of Ariel and Flounder. The backpack measures approximately 16" x 12" x 5". This Ariel school bag has plenty of space for Little Mermaid folders, notebooks, and books, making it a great option to carry your Disney items anywhere you go. This durable Little Mermaid backpack for girls also includes Disney Princess stickers, a pink Beach Kids water bottle, and a Beach Kids princess door hanger. Officially licensed Little Mermaid backpack school set for kids. Pair this with other Disney school supplies. WARNING: CHOKING HAZARD—Small parts. Not for children under 3 years or 36 months.