4F Flip Flops Flip Flops for Boy Blue White Red Pattern Size 33 Product Description: The 4F boys' flip-flops, model HJL18-JKLM200-30S, are the perfect choice for warm days and fun by the water. Made of high-quality 100% PVC (polyvinyl chloride), they ensure durability and comfort during use. Lightweight rubber straps and an easy-to-clean design make these flip-flops practical and aesthetically pleasing.