Evenflo"s Advanced Angled bottles are as clear as glass, made of durable plastic that is BPA free. The elliptical shape and soft, non-slip grip provide a comfortable hold for Mom and Baby. Its expert-approved angle allows Mom to hold the bottle in a semi-upright position during feeding time, which can help to reduce earaches and reflux. These bottles are top-rack dishwasher safe for easy cleanup. Colors may vary from picture shown. For over 90 years, Evenflo has nurtured babies" growth and development. We understand the importance of the connections developed between parent and baby during feeding time. Evenflo"s Advanced Angled Bottles help to promote a healthy, semi-upright feeding position and include stylish soft grips for extra comfort.