I have several empty NIKE boxes in youth sizes: 5, 6 and 7.
Drop Front Sneaker Display Cases - Clear
Pinkpum Sneaker Shoe Storage, Shoe Boxes Clear Plastic Stackable, Shoe Organizer for Closet, Drop Front Shoe Storage Boxes, Sneaker Storage, Fit for Size 12 (Black handle) : Home & Kitchen
INSTY 6 Pack Shoe Storage Box Clear Plastic Stackable, Shoe Box with Magnetic Door, Shoe Organizer and Shoe Containers for Sneaker Storage, Fit up to US Size 12(13.4x 9.8x 7.1)
ORIGINALAB Premium Front Display Shoe Box Clear
INSTY 6 Pack Shoe Storage Box Clear Plastic Stackable, Shoe Box with Magnetic Door, Shoe Organizer and Shoe Containers for Sneaker Storage, Fit up to US Size 12(13.4x 9.8x 7.1)
Thicken & Sturdy Clear Shoe Storage Organizer with Magnetic Door, Stackable Shoe Storage Boxes for Closet, Foldable Space-Saving Shoe Rack for Sneaker Boot Container, Plastic Shoe Box 6 Pack, Black
Lot EMPTY Shoe Boxes Adidas Blue Nike Orange & Red/White Jordan Black NO SHOES
Nike Empty Shoe Box Size 6 Youth Orange Nike Shoebox Replacement Box
Nike Empty Shoe Box Size 6 Youth Orange Nike Shoebox Replacement Box
Drop Front Sneaker Display Cases - Clear