580ml stainless steel bottle cap unit with one-push lock function Perfect pink color for children. - Model Name: Skater SCD6 - Color: Pink - Capacity: 580ml - Features: One-push direct stainless steel bottle cap unit with lock Thank you for viewing. I purchased this, but it doesn't fit my existing water bottle, so it's unused. The adhesive on the bag was easily opened from the time of purchase. Thank you for your understanding.