The Merlin Helix provides light in 6 colors and is excellent for sailing, boating adventures and other maritime activities. The Merlin Helix twists to open and cycles through the colors blue, green, purple, red, yellow, and orange. The Merlin Helix twists open and closed into a 4.25 inch square and features 10 LED’s and does not require mouth in action. The Merlin Helix is made from recyclable TPU, an eco-friendly thermoplastic that has a unique memory for shape retention. A full charge in the bright clear sunlight provides up to 8 hours of light. The Merlin Helix can also blend it’s colors setting, providing fun mood lighting.