For Band Strap:
Features:
1 . Made from high-quality silicone, comfortable and durable for good hand feeling which is waterproof, Breathable, Durable.
2 . Sports band comes with Apple Watch Lugs on both ends, which locks onto Apple Watch Band Interface precisely and securely. Easy and direct installation and one button removal.
3 . Pin-and-tuck closure ensures a clean fit .Metal parts made with hypoallergenic nickel free stainless steel.
4 . The size can be adjusted according to the circumstance of individual wrist.

Detail :
Material : Silicone

Fit for wirst size :
40mm/38mm S/M size:  fits for 130-180mm wrists,
40mm/38mm M/L size:  fits for 150-200mm wrists.
44mm/42mm S/M size:  fits for 140-190mm wrists,
44mm/42mm M/L size:  fits for 160-210mm wrists. 

For Case:
Feature :
1 . Easy to remove and install. With Built in Tempered Glass Screen Protector, defends against scratches while staying clear for a clean and smooth display.
2 . It's s premium smooth, high quality PC case.This Cover is designed to offer external surface protection to your watch without compromising usability
3 . Precise cutouts for all ports, buttons, and speaker, easy access to all features and controls

Detail :
Material : PC+Glass

Include :1x Silicone Watch Band+Case  (The Apple Watch is Not Include )