Product Name: power Bank Silicone Case Product material: silicone Applicable models: Redmi power Bank(20000mAh) Material:Silicone Features: Durable and washable. Fashionable design, easy to install. Perfectly fits for Redmi charging treasure. Anti-slip silicone case made of high quality silicone material. Protect your power bank from dust, scratches and shock. Gently wipe, immediately refreshed, anti-sweat, anti-fingerprint, anti-oil. Washable, easy to clean and lasting as new. Note: 1.Transition: 1cm=10mm=0.39inch 2.this item is Protective case, without Mobile Power ,hope your understanding! 3.Please allow 0-1mm error due to manual measurement. pls make sure you do not mind before you bid. 4.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!