Hyacinth tunnel this hyacinth tunnel is made from natural water hyacinth its also 100 glue wire and staple free so is completely safe to chew and nibble for your little friend this tunnel is perfect for pets to play in sleep in and chew perfect for all hamsters gerbils mice and chipmunks give your pet a new place to sleep and play with this tunnel pet accessories 100 natural completely safe let your pet chew and nibble perfect to sleep in and play in size 20cm x