Brass Porthole Window Boat Porthole Window Door Window Glass Porthole. Materials: Aluminum, Brass, Glass. Wight -3.5 kg approx. Measures 30.48 CM (Diameter) & Glass 20.32 CM (Diameter). Color -Antique Brown/ silver (As shown in Picture). Working porthole which opens and closes. Gift – Gifts Ideas & Perfect Memorable Navy Gifts for Birthdays, Anniversary of Marines, Retired Navy Officer. One-piece serves multiple purposes, Housewarming Party, Birthday, Promotion Ceremony. Thanksgiving, Christmas, Friendship’s Day, Easter, Engagements, Weddings, Anniversaries, Valentine’s. Day, Boy Scout Day, Graduation Day, Father’s Day, Baptism Gifts, Inspirational Gift. We accept 30 days return for our buyers. Your feedback is very important to us.