MJ Arsenal Baby Cake Joint Bubbler – 9th Annual Valentine's Day Collection Indulge in premium craftsmanship with this limited-edition joint bubbler from MJ Arsenal's exclusive Valentine's Day lineup. Hand-blown from 100% borosilicate glass, the Baby Cake features a vibrant full-color cupcake design that brings playful elegance to every session. Its compact 3" x 3.25" frame accommodates most standard cones and wraps while delivering smooth, filtered hits through thick, durable glass construction. A collectible piece built for both performance and aesthetic appeal.