Canvas with Floating Walnut Frame entitled 'San Antonio Riverwalk San Antonio TX'. Nighttime panoramic photo of the Riverwalk in San Antonio as boats travel through the canals and people eat under colorful umbrellas on sidewalk cafes. available. Primary colors within this image include: Orange, Dark Red, Light Yellow, Black. Made in the USA. Inks used are latex-based and designed to last. Canvases are stretched across a 1.5 inch thick wooden frame with easy-to-mount hanging hardware. Canvas is a 65% polyester, 35% cotton base, with two acrylic latex primer basecoats and a semi-gloss inkjet receptive topcoat.