diff --git a/modules/colossussspBidAdapter.js b/modules/colossussspBidAdapter.js
index c1b6e31ff2e..fec0d1b6510 100644
--- a/modules/colossussspBidAdapter.js
+++ b/modules/colossussspBidAdapter.js
@@ -112,7 +112,6 @@ export const spec = {
         placementId: bid.params.placement_id,
         groupId: bid.params.group_id,
         bidId: bid.bidId,
-        sizes: bid.mediaTypes[traff].sizes,
         traffic: traff,
         eids: [],
         floor: {}
@@ -146,7 +145,12 @@ export const spec = {
           rtiPartner: 'TDID'
         });
       }
+      if (traff === BANNER) {
+        placement.sizes = bid.mediaTypes[BANNER].sizes
+      }
+
       if (traff === VIDEO) {
+        placement.sizes = bid.mediaTypes[VIDEO].playerSize;
         placement.playerSize = bid.mediaTypes[VIDEO].playerSize;
         placement.minduration = bid.mediaTypes[VIDEO].minduration;
         placement.maxduration = bid.mediaTypes[VIDEO].maxduration;
diff --git a/test/spec/modules/colossussspBidAdapter_spec.js b/test/spec/modules/colossussspBidAdapter_spec.js
index 32f02def27e..da050b3af90 100644
--- a/test/spec/modules/colossussspBidAdapter_spec.js
+++ b/test/spec/modules/colossussspBidAdapter_spec.js
@@ -48,6 +48,10 @@ describe('ColossussspAdapter', function () {
     auctionStart: 1472239426000,
     timeout: 5000,
     uspConsent: '1YN-',
+    gdprConsent: {
+      consentString: 'xxx',
+      gdprApplies: 1
+    },
     refererInfo: {
       referer: 'http://www.example.com',
       reachedTop: true,
@@ -87,7 +91,7 @@ describe('ColossussspAdapter', function () {
     it('Returns valid data if array of bids is valid', function () {
       let data = serverRequest.data;
       expect(data).to.be.an('object');
-      expect(data).to.have.all.keys('deviceWidth', 'deviceHeight', 'language', 'secure', 'host', 'page', 'placements', 'ccpa');
+      expect(data).to.have.all.keys('deviceWidth', 'deviceHeight', 'language', 'secure', 'host', 'page', 'placements', 'ccpa', 'gdpr_consent', 'gdpr_require');
       expect(data.deviceWidth).to.be.a('number');
       expect(data.deviceHeight).to.be.a('number');
       expect(data.language).to.be.a('string');
@@ -108,6 +112,53 @@ describe('ColossussspAdapter', function () {
         expect(placement.gpid).to.be.an('string');
       }
     });
+
+    it('Returns valid video data if array of bids is valid', function () {
+      const videoBid = {
+        ...bid,
+        params: {
+          placement_id: 0,
+          traffic: 'video',
+        },
+        mediaTypes: {
+          video: {
+            playerSize: [[300, 300]],
+            minduration: 5,
+            maxduration: 60
+          }
+        }
+      }
+      let serverRequest = spec.buildRequests([videoBid], bidderRequest);
+
+      let data = serverRequest.data;
+      expect(data).to.be.an('object');
+      expect(data).to.have.all.keys('deviceWidth', 'deviceHeight', 'language', 'secure', 'host', 'page', 'placements', 'ccpa', 'gdpr_consent', 'gdpr_require');
+      expect(data.deviceWidth).to.be.a('number');
+      expect(data.deviceHeight).to.be.a('number');
+      expect(data.language).to.be.a('string');
+      expect(data.secure).to.be.within(0, 1);
+      expect(data.host).to.be.a('string');
+      expect(data.page).to.be.a('string');
+      let placements = data['placements'];
+      for (let i = 0; i < placements.length; i++) {
+        let placement = placements[i];
+        expect(placement).to.have.all.keys('placementId', 'groupId', 'eids', 'bidId', 'traffic', 'schain', 'floor', 'gpid', 'sizes',
+          'playerSize', 'minduration', 'maxduration', 'mimes', 'protocols', 'startdelay', 'placement', 'skip', 'skipafter',
+          'minbitrate', 'maxbitrate', 'delivery', 'playbackmethod', 'api', 'linearity'
+        );
+        expect(placement.schain).to.be.an('object')
+        expect(placement.placementId).to.be.a('number');
+        expect(placement.bidId).to.be.a('string');
+        expect(placement.traffic).to.be.a('string');
+        expect(placement.floor).to.be.an('object');
+        expect(placement.gpid).to.be.an('string');
+        expect(placement.sizes).to.be.an('array');
+        expect(placement.playerSize).to.be.an('array');
+        expect(placement.minduration).to.be.an('number');
+        expect(placement.maxduration).to.be.an('number');
+      }
+    });
+
     it('Returns empty data if no valid requests are passed', function () {
       serverRequest = spec.buildRequests([], bidderRequest);
       let data = serverRequest.data;
@@ -187,6 +238,49 @@ describe('ColossussspAdapter', function () {
         expect(serverResponses).to.be.an('array').that.is.empty;
       });
     });
+
+    let videoResObject = {
+      body: [{
+        requestId: '123',
+        mediaType: 'video',
+        cpm: 0.3,
+        width: 320,
+        height: 50,
+        vastUrl: '<XML>',
+        ttl: 1000,
+        creativeId: '123asd',
+        netRevenue: true,
+        currency: 'USD',
+        meta: {
+          advertiserDomains: ['google.com'],
+          advertiserId: 1234
+        }
+      }]
+    };
+    let videoServerResponses = spec.interpretResponse(videoResObject);
+    it('Returns an array of valid server video responses if response object is valid', function () {
+      expect(videoServerResponses).to.be.an('array').that.is.not.empty;
+      for (let i = 0; i < videoServerResponses.length; i++) {
+        let dataItem = videoServerResponses[i];
+        expect(dataItem).to.have.all.keys('requestId', 'cpm', 'width', 'height', 'vastUrl', 'ttl', 'creativeId',
+          'netRevenue', 'currency', 'mediaType', 'meta');
+        expect(dataItem.requestId).to.be.a('string');
+        expect(dataItem.cpm).to.be.a('number');
+        expect(dataItem.width).to.be.a('number');
+        expect(dataItem.height).to.be.a('number');
+        expect(dataItem.vastUrl).to.be.a('string');
+        expect(dataItem.ttl).to.be.a('number');
+        expect(dataItem.creativeId).to.be.a('string');
+        expect(dataItem.netRevenue).to.be.a('boolean');
+        expect(dataItem.currency).to.be.a('string');
+        expect(dataItem.mediaType).to.be.a('string');
+        expect(dataItem.meta).to.be.an('object').that.has.any.key('advertiserDomains');
+      }
+      it('Returns an empty array if invalid response is passed', function () {
+        videoServerResponses = spec.interpretResponse('invalid_response');
+        expect(videoServerResponses).to.be.an('array').that.is.empty;
+      });
+    });
   });
 
   describe('onBidWon', function () {
@@ -199,13 +293,13 @@ describe('ColossussspAdapter', function () {
   })
 
   describe('getUserSyncs', function () {
-    let userSync = spec.getUserSyncs({}, {}, {}, {});
+    let userSync = spec.getUserSyncs({}, {}, { consentString: 'xxx', gdprApplies: 1 }, { consentString: '1YN-' });
     it('Returns valid URL and type', function () {
       expect(userSync).to.be.an('array').with.lengthOf(1);
       expect(userSync[0].type).to.exist;
       expect(userSync[0].url).to.exist;
       expect(userSync[0].type).to.be.equal('hms.gif');
-      expect(userSync[0].url).to.be.equal('https://sync.colossusssp.com/hms.gif?pbjs=1&coppa=0');
+      expect(userSync[0].url).to.be.equal('https://sync.colossusssp.com/hms.gif?pbjs=1&gdpr=0&gdpr_consent=xxx&ccpa_consent=1YN-&coppa=0');
     });
   });
 });