Enriching your pet's daily life starts with supporting natural behaviors such as exploring, playing, hiding, and chewing. Moss Hollow Square Bowls are designed with these natural behaviors in mind and is constructed from 100% pet-safe materials, allowing you to nurture your pet's mind and body is safe and fun ways every day. For dry foods such as treats, pellets, or hay! Available in two sizes to fit your pet's needs perfectly! Adds visual and tactile enrichment Made with pet safe materials Good for Hamsters, Degus, Mice, Gerbils, and more! Available Sizes: Small: 3.15"L x 3.15"W x 0.98"D (8cm x 8cm x 2.5cm) Large: 4.33"L x 4.33"W x 1.18"D (11cm x 11cm x 3cm)