"The Birdy Set is our premium model that comes with all the bells and whistles, the way the bags were designed to be experienced. She includes 10x custom Birdy accessories and is exclusively designed with a backside trolley sleeve that allows you to conveniently stack this Birdy on top of another Birdy or other luggage pieces. This edition has two exterior D-ring attachments for the Birdy shoulder strap (included) so you can effortlessly carry Birdy as a shoulder bag. Due to her round hatbox shape airlines consider Birdy both a roller suitcase and also a personal item allowing you to board with two!" SET ACCESSORIES: Shoulder Strap Charging Cord Wristlet Clutch Bluetooth Speaker Protective Tote Laundry Bag Toiletry Pouch DELUXE INNOVATIVE FEATURES Stackable Trolley Sleeve Shoulder Strap Attachments Computer Sleeve Passport Pocket Bottom Support Handle Portable Battery Pocket Hidden Tech Storage Shoe Compartment 3x Packing Pockets Elastic Hair Tool Loop Magnetic Wristlet Holder Four 360º Spinner Wheels Telescopic Handle Genuine Leather Trim SIZE 19"L x 16"W x 9"H