Red Gorilla Tubtop Medium. Keep your horse\\\'s feed or treats covered and protected with the Red Gorilla Tubtop. This sturdy lid allows your to stack and store your rubs easily. With a fold back opening allowing you easy access into your buckets. Whether you\\\'re storing fruit and veg, horse feed, medication or any other of your horse essentials - keep it covered with the Red Gorilla Tubtop. Food grade, pet safe, recyclable and weather resistant. Diametre: 40.5cm. Will fit over a 15L shallow bucket or 26L medium bucket.