Puffco Proxy Carb Caps

Browse handmade borosilicate glass caps and small glass accessories made by Coopers Glass. Each piece is made in small batches with custom color options, handmade shaping, and slight natural variation from piece to piece.

Listings are for the glass piece only. Extra parts, devices, and accessories are not included unless clearly stated in the product description. For custom colors, sizing questions, or made-to-order requests, contact Coopers Glass before ordering.