The side that you want to be able to see through to needs to be at least 4:1 brighter than the room you don't want people to be able to see into. All reflective films work in this way there is no film that does not work in this way.
eBay
【Breeins】Self-Adhesive One Way Privacy Mirror Window Film Glass Film Household Sunscreen Film One-way Perspective for Home Off
Aliexpress UK
This item is a practical window film, which can be cut into any size to fit any sized surface, such as window, door or cabinet. 100 Pcs Faux Flower Stems Craft Floral Stems Diy Bouquet Stem. Mini Doll Top Hat Hats Kid Toys for Children Headgear.
eBay
One Way Clear Window Film Privacy Heat Reflective Mirror Window Film Daytime Anti Glare UV Window Tint Decor Films Sun Blocker
Aliexpress UK
2 Pcs Aromatherapy Bottle Travel Fragrance Bottles Scent Diffuser Glass. This item is a practical window film, which can be cut into any size to fit any sized surface, such as window, door or cabinet.
eBay
One Way Mirror Window Film Stained Vinyl Glass Self Adhesive Film Silver Heat Insulation Solar Window Tint Privacy for Home
Aliexpress UK
6 Pcs Reusable Cheesecloth Cotton Muslin Fine Cloths for Straining. 20 Pcs Hand DIY Cone Display Stand Shaped Christmas Tree Wooden Child. Stairway Rail Adjustable Bracket Stainless Steel Armrest Handrail Support.
eBay
Window Film One Way Privacy Self-adhesive Glass Sticker for Home Office Reflective Mirror Film Sun Blocking Anti UV Window Tint
Aliexpress UK
You can spray water to keep it on the window. When there is light indoors at night but outside is darker than indoor, the window film is transparent and the outside can clearly see inside. Tip 2: Trim away the edges.
eBay
One Way Mirror Window Privacy Film Vinyl Glass Self Adhesive Film Home Anti UV Sun Blocking Heat Control Reflective Window Tint
Aliexpress UK
SPECIFICATION: Film Type: One Way Mirror Material: PET Color: Blue Sliver/Black Sliver/Grey Silver Visible Light Transmission: 15% Infrared cut: 88% Visible Light Reflectance: 8% 50cm*2m 60cm*2m 90cm*2m 60cm*5m Package Include: 1x Single Way Window Tint Film 1x Plastic Scraper 1 x Paper tube.
eBay
sun protection one-way mirrors window film stickers Household insulated glass film windows balconies privacy protection
Aliexpress UK
【ADVANCED UV BLOCKING PROTECTION】UV solvents added at the bottom, FILMGOO window reflective film effectively blocks out 97% of UV rays, and reduces fading and aging of interior furnishings,with anti-scratch layer on the surface, friction resisting, won’t fade nor blister, easy to remove, economical and practical.For beauties, our blocking window film can prevent sunburn, sunburn, anti-aging and freckles.Ultraviolet rays are the biggest enemy to delay aging.
eBay
One Way Mirror Window Film Vinyl Self-adhesive Reflective Solar Film Privacy Window Tint for Home Silver Glass Sticker
Aliexpress UK
This item is a practical window film, which can be cut into any size to fit any sized surface, such as window, door or cabinet. -Nice production and low price, you can buy this window film at a very affordable price.
eBay
Window Privacy Film One Way Daytime Privacy Static Cling Sun Blocking Anti UV Reflective Mirror Window Tint for Home and Office
Aliexpress UK