Sturdy Dog Poop Bag Holder (multiple sizes)

A dog poop bag holder with a few features:

1. Screw-on top
2. Roll amount indicator window
3. Sturdy, supportless loop
4. Pegs to keep the roll centered
5. Multiple sizes (30mm x 60mm, 35mm x 60mm, 40mm x 60mm rolls)

UPDATE (2025-05-09):

1. Increased vertical thickness
2. Added chamfers to improve strength