426x598pxlitter desktop sign, do not litter logo, waste communication symbol, black and white desktop presentation, environmental awareness campaign, pollution prevention message, eco-friendly behavior reminder
543x544pxlitter symbol, do not throw away, municipal solid waste sign, no littering a, "throwing trash prohibited", "environmental waste prevention", "public area cleanliness"
800x800pxlitter sign symbol, waste disposal icon, black and white silhouette, pollution prevention logo, environmental cleanliness graphic, trash bin indicator, eco-friendly waste management
589x800pxlitter sign symbol, waste management logo, pollution prevention icon, black and white silhouette, environmental awareness graphic, trash disposal area, eco-friendly behavior illustration
