In the 1990s, Jeff Koons' art continued to push boundaries and explore themes that blend high culture with popular imagery. This decade was marked by significant series that further established Koons as a leading figure in contemporary art. One of the notable works from the early 1990s is the "Bourgeois Bust – Jeff and Ilona" from 1991, crafted in marble. This period also saw Koons creating "Large Vase of Flowers," a polychromed wood piece that showcases his ongoing fascination with transforming everyday objects into high art, demonstrating his mastery over a variety of materials and his capacity to engage with historical art forms in a contemporary context (Art21). 1992 was a landmark year with the creation of "Puppy," a monumental sculpture combining live flowering plants with a stainless steel structure. This piece exemplifies Koons' interest in crafting works that engage the public in both an aesthetic and conceptual dialogue, blending the realms of sculpture, architecture, and landscape design. "Puppy" serves as a testament to Koons' innovative use of materials and his ability to create art that resonates on multiple levels (Art21). Towards the latter part of the decade, Koons continued to explore the use of polished stainless steel in his "Celebration" series, which includes the "Balloon Dog" sculptures. Created between 1994 and 2000, these sculptures are characterized by their monumental scale and reflective surface, playing with perceptions of materiality and form. These works further delve into themes of celebration, childhood memories, and the cultural significance of toys, encapsulating the joy, simplicity, and sometimes the banality of everyday objects (Art21). Throughout the 1990s, Koons' work remained deeply embedded within the discourse of contemporary art, examining the intersections between art, culture, and society. His pieces from this era reflect a deep engagement with the materiality of sculpture and the potential of art to evoke both personal and collective experiences. For more detailed insights into Jeff Koons' works from the 1990s, you can explore Art21 (Art21) and Whitney Museum of American Art (Whitney Museum of American Art).