Bullet Points:1. Compatible: The neoprene protective case can hold water bottles with a capacity of 3.78 liters, which can prevent the water bottle from slipping and scuffing.2. Design: Unique zipper storage bag design to hold your important small items.3. Portable: Comes with a detachable shoulder strap for easy hands-free carrying!4. Durable: delicate and soft to the touch, with shockproof thermal insulation and waterproof function, the material has the elasticity to reduce impact.5. Package Contents: Only one cup cover and one shoulder strap are included, other accessories shown in the picture are not included.Specification:Material: NeopreneColour: BlackCompatible: Holds 3.78L water bottleSize: top diameter 9cm, bottom diameter 13cm, height 20.5cmPacking List:1*Cup Sleeve;1*Shoulder Strap;Notes:Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.