Klean Kanteen Classic stainless steel sippy cup and water bottle is designed with kids in mind. Spill proof sippy cap with dust cover, plus swivel metal loop so it can be easily attached to stroller or bag. Bright cap colors and graphics keep hydration fun. Our chip-resistant Klean Coat finish is durable and safe for people and planet. Compatible with all Classic Caps for easy transition as kids grow up, providing a lifetime of use, from 355ml baby bottle to steel toddler cup and sippy. Chip-resistant Klean Coat powder coat finish (Brushed Stainless has no coating) 18/8 food grade stainless steel BPA Free Won't retain or impart flavors Slim design fits in most cup holders Includes Sippy Cap with Dust Cover and Swing Away Loop (not leak proof) Compatible with all Classic Caps, including the leak proof Loop Cap & Sport Cap 3.0 Backed by the lifetime Strong as Steel guarantee Specs: Capacity 12 fluid ounces (355 ml) Weight (w/ sippy cap) 5.5 ounces (156g) Size (w/ sippy cap) 6.6" H x 2.87" W (170 mm H x 72.9 mm W) Opening Diameter 1.75" (44 mm) Age 6+ months