100% and high quality 4pcs colorful diving filters(red, yellow, purple, gray), provides colorful unique diving photography, interesting and beautiful, specially designed diving filter can improve the photography quality efficiently, suitable for different underwater environment Suitable for GoPro Hero 4/3+ sports camera Suitable for the depth of 3-20m/12-65ft Snap-on design, convenient to install and use, straightly installed on the sports camera waterproof case, no effect on the normal usage of camera function Usage Method: Red: used in the tropical water at the depth of 10-20m at noon Yellow: used in the tropical water in the morning or shallow water(10m) Purple: used in the green water, fresh water like lakes and streams, or in dusk time Gray: used to remove unwanted reflections from non-metallic surface, such as gla or water Item Type: Underwater Diving Filter Material: Acrylic Shape: Square Weight: 18g/Piece Suitable Type: for GoPro Hero 4/3+ Sports Camera Waterproof Case About shippingShipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .Your 100% satisfaction is very important to usIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.