Tubtrugs Flexible Shallow Bucket in Blue. Tubtrugs are super strong yet flexible buckets ideal for a variety of uses around the yard and stable. Tubtrugs are 100% food-grade plastic making them safe to use as horse feed and water buckets. Tubtrugs are Phalate free, frost and UV resistant and offer super strong comfort grip handles making them easy to carry around the yard whether empty or full. The Shallow Tubtrug is ideal as a horse feed bucket as the shallow sides make it easily accessible for the horse. Small - Capacity: 15 Litre 39cm x 16cm. X Small -Capacity: 5 Litre 28cm x 10cm.