5mm Thick Glass Bongs Canada Borosilicate Pieces by Castle Glassworks
Your On-The-Go Daily Driver
When you want a real hit without hauling around a science project, this is the size that delivers. No compromises, just smart engineering in a space-saving package.
12” Kitty Cat Beaker Bong – 9mm Thick Glass
Why Choose a 5mm Bong?
Portable & Lightweight
Easy to transport and lightweight for ease of use
Full Function
Real percolation, not just a travel piece.
14mm Joint Size
Compatible with all Castle Glassworks bowls and downstems.
5mm Bong FAQs
What joint size do Castle Glassworks 5mm bongs use?
All Castle Glassworks 5mm bongs use a standard 14mm joint size. This is the most common bong joint size and is compatible with all 14mm bowls, downstems, and ash catchers available in our accessories collection.
Is a 5mm bong good for beginners?
Yes, 5mm bongs is one of the best thickness for beginners. They're light enough to be easy to handle, store, and clean.
Do Castle Glassworks 5mm bongs ship across Canada?
Yes. All Castle Glassworks orders ship to every Canadian province and territory. Orders over $50 qualify for free shipping across Canada and the USA. Most orders are dispatched within 1–3 business days. See our shipping policy for full details.
How do I clean my 5mm glass bong?
The most effective method is 90%+ isopropyl alcohol combined with coarse salt. Pour both into the bong, cover all openings with your hands, shake for 30–60 seconds, then rinse thoroughly with warm water. Repeat if needed. For a full step-by-step guide, visit our Help Center.
Browse the collection above, use the filters to find your ideal thickness and style, and discover why thousands of Canadian cannabis enthusiasts trust Castle Glassworks for their glass.
