They want to jump in muddy puddles, so let them go for it in our fully waterproof Pebbles footwear. Made of synthetic rubber, these bright kids' boots will put a spring in your little one's step. Designed for climbing wet, grassy hills, this pair of children's footwear provides the traction they need. Height: 7 in.. Weight: 1.2 lbs. Upper:?Synthetic rubber?. Insole:?EVA footbed. Outsole:?STORM non-marking synthetic rubber?. Machine Wash. Imported.