Galeria Arena is an online art, stationery, craft, and gift shop offering a broad selection of products for creative projects, school, work, and home. Its range of art supplies includes acrylic, watercolor, oil, poster, glass, and fabric paints, alongside brushes, canvases, easels, drawing tools, sketchbooks, and modeling materials such as clay and plasticine. For children and students, the store provides school essentials, backpacks, pencil cases, notebooks, crayons, educational toys, games, puzzles, books, and creative activity sets.

The shop also carries office and paper goods, including writing instruments, markers, adhesives, scissors, folders, binders, envelopes, and decorative paper. DIY enthusiasts can find sewing and knitting supplies, yarn, beads, jewelry-making components, artificial flowers, and materials for decoupage, quilling, and scrapbooking. Its decorative assortment includes seasonal ornaments, home accents, photo albums and frames, greeting cards, gift bags, wrapping materials, and party decorations. Galeria Arena brings together practical essentials and creative supplies for customers of different ages and interests.