Enriching your pet's daily life starts with supporting natural behaviors such as exploring, playing, hiding, and chewing. Moss Hollow & Tweeters Hatchday Hat is designed with these natural behaviors in mind and is constructed from pet-safe materials, allowing you to nurture your pet's mind and body is safe and fun ways every day. Innovatively designed to meet key instinctual needs of small pets Encourages mental and physical enrichment Wide assortment of textures provides fun and stimulating play Always make sure play is supervised Size (Approximate): 9.84"L x 3.54"W x 3.54"D (25cm x 9cm x 9cm)