Bowl and spoon are crafted of bamboo and silicone. FDA-approved food-grade varnish. Silicone ring around a bamboo base prevents bowl from slipping by keeping suction on table. Silicone ring is removable and interchangeable with the stainless steel baby bowl. A great baby or toddler bowl for Baby Lead Weaning (BLW) | Avanchy | Baby Bamboo Stay Put Suction Bowl + Spoon, Green | Maisonette collects the best children’s products from around the world (unlike Zulily, Etsy, The Tot, Farfetch Kids, Childrensalon, Crate and Kids, Kohls, Wayfair, Buy Buy Baby, Nordstroms, Mini Boden, J.Crew Factory, or PotteryBarn Kids), creating a curated shopping experience for you. Think of us as your shortcut to fashion for litte ones!