If you are fan of simple cosmetic covers, The Hundromi case is an attractive option.
This a see-through case with attractive icons of hanging leathers: so iPhone 6 design and original color still come out and visible.
The case is very slim and fits nicely.

 

iPhone 6 Case, iPhone 6S Case, Ansiwee® Reinforced Frame Crystal Slim Highly Durable Shock-Absorption Flexible Soft Rubber TPU Bumper Hybrid Protection Light Case for Apple iPhone 6 6S (Rose Gold)> more info…

iPhone 6 case, iPhone 6s case, OKRAY Ultra Clear Soft TPU Anti Scratch Protective Case Cover Skin Bumper with Electroplating Frame and Clear Panel Back for iPhone 6 & 6s 4.7 inch (Rose Pink)>more info…

iPhone 6 Case, MagicMobile Hybrid [Dual Armor Series] Durable Impact Resistant [Shockproof] Hard Rugged Plastic + Rubber Silicone Skin Protective Case for Apple iPhone 6 (4.7 inch) [Rose Pink – Gray]> more info…

iPhone 6 Case, Pink White With [Tempered Glass Screen = Best LCD Protector] [Patented Lens Hood = Better Pictures] – Slim iPhone 6 & 6s Cases by Sahara Case> more info…

iPhone 6s Plus Case, Moleboxes™ Luxury Hybrid Beauty Crystal Rhinestone With Gold Sparkle Glitter PC Hard Protective Diamond Case Cover For iPhone 6s6 Plus (Rose Gold) > more info…

Iphone 6s Case, Sincase [Ultra Thin] Soft Flexible Tpu Iphone 6s Skin [Liquid 3D Crystal] Clear Protective Back Cover with Luxury Bling Bumper Rhinestone Frame Slim for Iphone 6s 6 4.7 (Rose gold)>  more info…

iPhone 6 case,iPhone 6s case,Chenci[Scratch Resistant] PU Leather Slider to Answer Case [shock absorbing]Windows Flip Cover Case for iPhone 6 6s (4.7inch ) (Rose Gold )> more info…

iPhone 6 Cases, iPhone 6S Case, BENTOBEN Hard PC Shell with Soft Silicone Hybrid iPhone 6 Covers Protective 3 Piece Shockproof Anti-Scratch Combo Cover for iPhone 6 6S Inch, Rose Gold Grey> more info…

Anole Ultra-thin Hybrid PC Full Body Coverage Protective Case and Skin with Tempered Glass Screen Protector for iPhone 6 – Pink> more info…

iPhone 6s Case, iPhone 6 Case, Rose Gold SaharaCase® Protection Kit Bundle [Case + ZeroDamage® Tempered Glass Screen Protector] Rugged Slim Design with Image Enhancing Technology – Rose Gold>more info…

Iphone 6 Case, Gravydeals® Stylish Pattern Ultra Slim Soft Flexible TPU Protective Case for iPhone 6   6S 4 7 Inch – White Dreamcatcher> more info…

iPhone 6 Case, iphone 6 4 7 case,iphone6 case ,ChiChiC full Protective unique Stylish Case slim Abstract white dream catcher on sky blue rose background> more info…

iPhone 6 Case, LUOLNH Henna Full Mandala Floral Dream Catcher Hard Plastic Clear Case Silicone> more info…

Iphone 6 Case, Gravydeals® Stylish Pattern Ultra Slim Soft Flexible TPU Protective Case for iPhone 6   6S 4 7 Inch – Feather Dreamcatcher> more info…

iPhone Case,viwell iPhone 6 Hard Case NEW Case for Apple iPhone 6 (2015) Verizon Dream catcher> more info…