WARE Farmer's Market Nature's House, SAFE?

Hello,

Is this house safe for chinchillas?

http://www.petco.com/shop/en/petcos...are-farmers-market-natures-house-for-rabbits#

WARE Farmer's Market Nature's House for Rabbits, Large, 15.5" L X 9" W X 9" H

15.5"; L X 9"; W X 9"; H. Made from all natural sun dried grass. Naturally safe to chew. Produced from a renewable source, from Mother Nature's garden. A safe refuge and a great place for your furry friend to sleep the afternoon away.
• Great place for your pet to hideaway & sleep the afternoon away
• Protects sensitive paws from wire bottom cages
• Can be used inside or outside of cage


Thanks